Sunrise Denver Casserole

Elevate your breakfast game with this incredibly easy and utterly delicious Baked Denver Omelet. Perfect for a warm, hearty, and protein-packed start to your day, this recipe brings classic flavors to your table with minimal effort. Forget the struggle of flipping a traditional omelet; this oven-baked version ensures a perfect, fluffy result every time, making it ideal for busy mornings, leisurely brunches, or even a simple, satisfying dinner.

This versatile Baked Denver Omelet Recipe is designed for adaptability, allowing you to easily customize it with your favorite vegetables and cheeses. Whether you’re adhering to a low-carb diet or simply seeking a wholesome meal, this dish promises a delightful experience, blending the savory goodness of ham, vibrant bell peppers, and sweet onions with rich, fluffy eggs and melted cheese.

A perfectly portioned slice of Baked Denver Omelet on a white plate, ready to be enjoyed with a red handled fork.

Why This Baked Denver Omelet Is a Must-Try

If you’re looking for a breakfast solution that’s both effortless and immensely satisfying, look no further than this fantastic baked Denver omelet. It’s more than just a meal; it’s a convenient and delicious way to ensure you’re starting your day with balanced nutrition and incredible flavor. Here’s why this recipe deserves a permanent spot in your culinary repertoire:

  • Perfect for Low-Carb and Ketogenic Lifestyles: This recipe is a dream come true for anyone following a low-carb or ketogenic diet. High in protein and healthy fats, it helps keep you feeling full and energized without the carbohydrate crash. It’s a smart choice for maintaining stable blood sugar levels and supporting overall wellness.
  • Infinitely Adaptable: The beauty of this baked omelet lies in its flexibility. While the classic Denver combination of ham, bell peppers, and onions is undeniably delicious, this recipe serves as a fantastic base for your creativity. Feel free to swap out the cheddar for Swiss or Monterey Jack, or add other vegetables like sautéed mushrooms, spinach, zucchini, or even roasted tomatoes. Each variation brings a new twist to this beloved dish.
  • Inspired by an Expert: This particular recipe comes from the brilliant mind of my esteemed blogger friend, Carolyn. Her cookbook, The Everyday Ketogenic Kitchen: With More than 150 Inspirational Low-Carb, High-Fat Recipes to Maximize Your Health, is a treasure trove of inspiring, health-conscious meals. Carolyn, who blogs at All Day I Dream about Food, is a true expert in crafting low-carb and gluten-free dishes, from appetizers to desserts. Her passion for nutritious and delicious food shines through in every recipe, and this baked Denver omelet is a shining example of her culinary genius.
  • Effortless Preparation: Say goodbye to the anxiety of traditional omelet making! No more struggling with flipping, tearing, or uneven cooking. This baked version simply requires mixing ingredients, pouring them into a dish, and letting your oven do all the work. It’s perfect for novice cooks or anyone who wants a delicious meal without the fuss.
  • Feeds a Crowd with Ease: Whether you’re hosting a brunch, feeding a large family, or preparing for holiday guests, a baked omelet is your secret weapon. You can easily scale the recipe up or down, and having it cook in the oven frees you up to enjoy your company or prepare other dishes.
  • Excellent for Meal Prep: This dish holds up beautifully, making it an ideal candidate for meal prepping. Bake a full batch on Sunday, and you’ll have delicious, high-protein breakfasts ready to grab and reheat throughout the week. It’s a fantastic way to stay on track with healthy eating goals, even on the busiest of weekdays.

When I first discovered Carolyn’s elegant baked Denver omelet, I immediately knew it would be the inaugural recipe I’d test from her book. As someone constantly searching for easy, healthy, low-carb, and high-protein breakfast recipes, this omelet was a perfect match. It offers both the convenience I crave and the nutritional benefits I prioritize, all wrapped up in a wonderfully flavorful package.

Essential Ingredient Notes for Your Baked Denver Omelet

Crafting the perfect baked Denver omelet begins with selecting fresh, high-quality ingredients. While the core components are simple kitchen staples, understanding the role of each can help you achieve optimal flavor and texture, and also opens the door for creative substitutions.

  • Large Eggs: The foundation of any great omelet. Using large, fresh eggs ensures the right volume and richness. Aim for eggs that are at room temperature if possible, as they tend to incorporate more easily and result in a slightly fluffier texture.
  • Salt & Freshly Ground Black Pepper: These essential seasonings elevate the natural flavors of the eggs and vegetables. Freshly ground black pepper offers a more potent aroma and taste compared to pre-ground versions, making a noticeable difference in the final dish.
  • Salted Butter: Used for sautéing the ham and vegetables, butter adds a layer of richness and helps prevent sticking. If using unsalted butter, you might want to slightly increase the salt content in the egg mixture to compensate.
  • Ham (Diced): The quintessential protein in a Denver omelet. Diced ham offers a savory, slightly salty bite. You can use pre-cooked ham, leftover holiday ham, or even smoked sausage for a different flavor profile. For a vegetarian option, simply omit the ham and perhaps add more vegetables or a plant-based protein alternative.
  • Bell Peppers (One Green, One Red, Chopped): The vibrant duo of green and red bell peppers adds both color and a sweet-peppery flavor. They provide essential vitamins and a pleasing crunch. Feel free to use yellow or orange bell peppers, or even a mix for an even more colorful presentation.
  • Onions (Diced): Diced onions contribute a foundational aromatic sweetness that complements the other ingredients beautifully. Yellow or white onions work best for this recipe, softening and sweetening as they cook.
  • Sharp Cheddar (Shredded): A classic choice for its robust, tangy flavor and excellent melting properties. Shredded cheese incorporates easily into the omelet and creates a lovely cheesy layer. Don’t hesitate to experiment with other cheeses like Gruyère, Swiss, Monterey Jack, or a blend of your favorites that pair well with eggs.
  • Heavy Cream (36% Butterfat): This is a secret weapon for achieving a tender, custardy omelet. The high-fat content of heavy cream slows down the coagulation of the eggs, resulting in a more delicate and less rubbery texture. You can substitute with half-and-half for a slightly lighter version, but for the best results, heavy cream is recommended.
A beautifully golden Baked Denver Omelet in a white porcelain casserole dish, fresh from the oven.

Understanding the Benefits of Low-Carb Eating

My journey into low-carb eating began out of necessity, not choice. Diagnosed with Hashimoto’s thyroiditis, the most prevalent cause of hypothyroidism, I initially didn’t fit the typical mold of this autoimmune disease. While I experienced the common fatigue and perpetual coldness, being overweight wasn’t one of my symptoms. However, this diagnosis soon led to unexplained and concerning spikes in my blood sugar. Despite a series of comprehensive tests, my endocrinologist confirmed that I didn’t meet the criteria for pre-diabetes or full-blown diabetes.

These perplexing symptoms pushed me towards a more intentional and cleaner way of eating. This dietary shift primarily involved increasing my protein intake and significantly reducing simple carbohydrates. It meant saying a firm “goodbye” to impulsive cookie dough binges and embracing a more disciplined approach to food. The transformation was remarkable:

  • Improved Energy and Focus: By cutting out simple carbs and sugars, my energy levels stabilized, eliminating the dreaded afternoon slump. I experienced increased mental clarity and focus, a welcome change from the brain fog I often felt.
  • Stable Blood Sugar: Perhaps the most significant benefit for me was the stabilization of my blood sugar. This, in turn, helped mitigate the underlying inflammation associated with my autoimmune condition, contributing to a greater sense of well-being.
  • Enhanced Satiety and Weight Management: A diet rich in protein and healthy fats keeps you feeling fuller for longer. This natural satiety reduces cravings and makes it easier to manage weight without feeling deprived.
  • Reduced Inflammation: Many processed foods and simple carbohydrates can contribute to systemic inflammation. A cleaner, low-carb diet naturally reduces the intake of these inflammatory triggers, which can be particularly beneficial for individuals with autoimmune conditions or chronic pain.
  • Better Overall Health: Beyond specific symptoms, a low-carb approach often encourages the consumption of whole, unprocessed foods, leading to a richer intake of nutrients, fiber, and antioxidants from vegetables.

The difference I feel when I stick to this way of eating is profound – a testament to the power of food as medicine. This cookbook, and particularly this baked Denver omelet, is an ideal resource for anyone, like myself, striving to minimize sugar and simple carbohydrate intake while maximizing flavor and nutritional value. It proves that healthy eating doesn’t mean sacrificing deliciousness; in fact, it often enhances it.

A slice of Baked Denver Omelet with the full casserole dish blurred in the background, emphasizing its hearty appeal.

Expert Tips for Your Perfect Baked Denver Omelet

Achieving a flawless baked Denver omelet is simpler than you might think, especially with these helpful tips and tricks. Whether you’re a seasoned chef or a kitchen novice, these insights will ensure your omelet turns out delicious every time.

  • Embrace the Baked Omelet for Simplicity: Are you intimidated by the idea of making a traditional stovetop omelet? Do you fear over-cooking, or struggle with the delicate art of folding or flipping without creating a mess? Then a baked omelet is your perfect solution! It’s virtually foolproof, offering a hands-off approach to a consistently fluffy and evenly cooked result. No more stress, just deliciousness.
  • The Art of Whisking: When preparing your egg mixture, whisk together the eggs, heavy cream, and seasonings until they are just combined. The goal is to break up the egg whites and yolks thoroughly. For this, a whisk is ideal, but a fork works just as well.
  • PRO-Tip: Avoid Over-Mixing for Optimal Texture! You do not want to vigorously whisk the mixture until it becomes frothy. Over-mixing can incorporate too much air, leading to a tougher, more rubbery texture. A gentle, thorough whisking is all you need to ensure a smooth, tender omelet.
  • Layering for Success: Always add your sautéed ham and vegetables to the bottom of the greased baking dish first. This creates a flavorful base and prevents them from sinking. Then, gently pour the egg mixture over the top, and finally, sprinkle with the remaining cheese. Bake as directed or until the eggs appear set and golden. A slight jiggle in the very center is acceptable, as residual heat will continue to cook it for a few more minutes after it’s removed from the oven.
  • Unleash Your Creativity with Fillings: While the classic Denver or Western omelet filling of onions, peppers, and ham is a beloved combination, your options are truly limitless! Experiment with your favorite sautéed vegetables such as spinach, mushrooms, zucchini, or cherry tomatoes. Don’t love cheddar? Try Swiss, Monterey Jack, feta, or even a spicy pepper jack. Mix in your go-to omelet ingredients in similar amounts to what’s called for in this recipe to truly make it your own signature dish. Cooked sausage, bacon, or even leftover roasted chicken can replace or supplement the ham.
  • Scaling the Recipe: This recipe is easily adjustable to suit your needs. For a smaller serving, you can simply cut the recipe in half. If opting for a half batch, bake it in a smaller dish, like a quiche pan, and start checking for doneness around the 25-minute mark. The center should look just set, not liquidy, when your omelet is done.
  • Storage and Reheating: Leftovers are a delightful bonus! Store any remaining baked omelet, tightly covered, in the refrigerator for up to 4 days. It makes for an incredibly easy grab-and-go breakfast, a quick office lunch, or even a light dinner. Gently reheat in the microwave or oven until warmed through. For a healthy evening meal, pair it with a fresh, tossed green salad.
  • PRO-Tip: Elevate Your Serving! To kick this baked Denver omelet up a notch or two and make it truly company-worthy, add a generous dollop of sour cream or Greek yogurt just before serving. I also adore mine topped with freshly diced avocados and vibrant sliced cherry tomatoes for added freshness and healthy fats. A dash of your favorite hot sauce can also add a pleasant zing!

I am confident you’ll fall in love with this baked Denver omelet. It’s perfect for holidays when your house is filled with family, offering a stress-free and crowd-pleasing breakfast. Or, make a half batch and enjoy it for your weekday breakfasts, ensuring a nutritious and satisfying start to your day. Bill and I wholeheartedly give it two enthusiastic thumbs up!

Frequently Asked Questions About the Denver Omelet

Why Is This Called A Denver Omelet?

The precise origin of the Denver omelet’s name is somewhat debated, but popular theories suggest its roots lie with cattle herders or railroad workers in the American West who needed a durable, easy-to-prepare meal while on the job. This hearty omelet was often served on bread, leading to its alternative name, the “Western Sandwich.” Another interesting theory links its creation to Chinese laborers, suggesting it could be a variation of Egg Foo Yung, adapted with readily available Western ingredients.

Is a Western Omelet the Same as a Denver Omelet?

Yes, absolutely! The terms “Western Omelet” and “Denver Omelet” are used interchangeably to describe the exact same type of omelet. Both refer to an omelet typically filled with diced ham, bell peppers (usually green and sometimes red), and onions, often with cheese.

Is It OK to Let the Bottom of a Denver Omelet Get Browned?

For a Denver omelet, a slightly browned crust on the bottom or edges is perfectly acceptable and even desirable for many, as it adds a pleasant texture and depth of flavor. This contrasts with the classic French omelet, which is traditionally prepared to be pale and delicate, with no browning whatsoever on the exterior.

How Do You Make a Fluffy Omelet?

To achieve an extra fluffy omelet, the key often lies in aerating the egg whites. This typically involves separating the egg yolks from the whites. The egg whites are then beaten until they form soft or stiff peaks, becoming light and airy. These beaten whites are then gently folded into the yolks and other ingredients just before cooking. This technique incorporates air into the mixture, resulting in a significantly lighter and fluffier texture.

How Long Can You Store Leftovers?

Leftover baked Denver omelet can be safely stored in the refrigerator. Ensure it is covered tightly with plastic wrap or placed in an airtight container. When stored correctly, it will keep for up to 4 days. To serve, gently reheat portions in the microwave or oven until warmed through. It is crucial to note that if the omelet has been left at room temperature for two hours or longer, it’s best to discard the leftovers to prevent foodborne illness.

Can I Freeze Baked Denver Omelet?

Yes, you can freeze baked Denver omelet! Once cooled completely, slice it into individual portions. Wrap each slice tightly in plastic wrap, then aluminum foil, or place them in freezer-safe bags or containers. It can be frozen for up to 2-3 months. To reheat, thaw overnight in the refrigerator and then warm in the oven or microwave until heated through.

You May Also Enjoy These Delicious Breakfast & Brunch Recipes:

If you loved this baked Denver omelet, be sure to explore these other fantastic recipes that promise equally delightful starts to your day. Each offers a unique flavor profile and ease of preparation!

  • Low-Carb and High Protein Avocado Egg Salad from Kalyn’s Kitchen – A fresh, creamy, and satisfying option.
  • Make Ahead Egg Muffins from Spend with Pennies – Perfect for grab-and-go breakfasts throughout the week.
  • Microwave Egg Caprese Breakfast Cups from Foodie Crush – A quick and flavorful single-serving option.
  • Cheese Omelet – A timeless classic for cheese lovers.
  • Smoked Salmon Deviled Eggs – An elegant and savory appetizer or light breakfast.
  • Asparagus Topped Eggs with Hats – A sophisticated and seasonal egg dish.
  • More Breakfast Recipes – Explore a wider array of delightful breakfast ideas for every palate.

Please note: I received a complimentary copy of Carolyn Ketchum’s The Everyday Ketogenic Kitchen for review purposes. As always, all opinions and enthusiasm expressed in this article are entirely my own.

Stay in touch and share your culinary creations with me through social media @ Instagram, Facebook, and Pinterest. Don’t forget to tag me when you try one of my recipes! If you love the results, please consider giving it a 5-star rating in the recipe card below – your feedback means the world to me!

Baked Denver Omelet | A simple, scrumptious, easy to make baked ham and vegetable omelet!

The Recipe:

Baked Denver Omelet Recipe

Prep Time
15 minutes
Cook Time
45 minutes
Total Time
1 hour
Yield
8 servings

A simple, scrumptious, and incredibly easy-to-make oven-baked ham and vegetable omelet that’s perfect for any meal!

Ingredients

  • 2 tablespoons salted butter
  • ½ pound ham, diced (pre-cooked)
  • 1 medium green bell pepper, chopped
  • 1 medium red bell pepper, chopped
  • ½ cup diced onions
  • 1 cup shredded sharp cheddar cheese (about 4 ounces), divided
  • 10 large eggs
  • ½ cup heavy cream (36% butterfat)
  • ¾ teaspoon salt
  • ½ teaspoon black pepper (freshly ground recommended)

Instructions

  1. Preheat your oven to 350ºF (175°C). Lightly grease a 1 ½- to 2-quart oval baker or a standard 9×13-inch baking dish to prevent sticking.
  2. Melt the butter in a large skillet over medium heat. Once the butter is hot and shimmering, add the diced ham and sauté for about 2 minutes, until it’s slightly browned and crispy.
  3. Add the chopped bell peppers and diced onions to the skillet with the ham. Continue to cook, stirring frequently, for another 3 to 4 minutes, or until the vegetables have softened and become tender-crisp. Spread this ham and vegetable mixture evenly across the bottom of your greased baking dish. Sprinkle half of the shredded cheddar cheese over the vegetables.
  4. In a large mixing bowl, gently whisk together the large eggs, heavy cream, salt, and black pepper until well combined but not frothy. Pour this egg mixture carefully over the ham, vegetables, and cheese in the baking dish. Finally, sprinkle the remaining half of the cheddar cheese evenly over the top of the egg mixture.
  5. Bake in the preheated oven for 35 to 40 minutes, or until the center of the omelet is set and the top is lightly golden brown. A gentle jiggle in the very center is acceptable, as it will continue to cook slightly with residual heat. Remove the omelet from the oven and let it cool for about 5 minutes before slicing and serving. This allows it to set completely and makes for cleaner cuts.

Notes

For a smaller serving, I often make a half batch in a ceramic quiche pan. When doing so, begin checking for doneness around the 25-minute mark, as cooking times will vary with dish size.

The savory, Western flavors of this omelet are beautifully complemented by a dollop of sour cream or Greek yogurt, and a garnish of freshly diced avocado and vibrant cherry tomatoes.

Store any leftover portions in the refrigerator, tightly covered, for up to 4 days. This makes for a convenient and delicious grab-and-go breakfast or lunch option. Simply reheat gently when ready to enjoy.

Nutrition Information:

Yield:

8

Serving Size:

1

Amount Per Serving:
Calories: 276Total Fat: 20gSaturated Fat: 10gTrans Fat: 0gUnsaturated Fat: 8gCholesterol: 289mgSodium: 684mgCarbohydrates: 5gFiber: 1gSugar: 3gProtein: 18g

HOW MUCH DID YOU LOVE THIS RECIPE?

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© Liz Berg


Cuisine:

American

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Category: Breakfast, Brunch