Fluffy Baked Omelet Recipe for Oven-Baked Breakfast

This is an easy, versatile, and very delicious option for breakfast, lunch, or dinner… and don’t forget about brunch!

Omelettes are usually cooked on the stovetop, but when you need to feed a family or a group, a baked omelette is a welcome alternative. It delivers the same golden crust, fluffy interior, and rich, cheesy flavor you expect from a classic omelette, with a more forgiving, hands-off technique that’s perfect for busy mornings or casual gatherings.

This baked omelette is essentially a Denver (or Western) omelette in casserole form. The base includes diced ham, onion, red bell pepper, and shredded cheddar cheese. I also add onion powder, garlic powder, and Italian seasoning to boost flavor without extra chopping. The result is moist, tender eggs studded with savory ham and melty cheese.

One of the best features of this recipe is how simple it is: all the ingredients are combined in a single bowl, poured into a baking dish, and popped into the oven. Cleanup is minimal, and while the omelette bakes you can prepare any sides or let guests mingle—perfect for brunch or a relaxed dinner.

Baked Omelette Vs. Frittata

There are many baked egg dishes—breakfast casseroles, quiches, strata—but the frittata is the one most often confused with a baked omelette. They are different. A frittata usually begins on the stove: vegetables or fillings are sautéed first, then the egg mixture is added, allowed to set slightly, topped with cheese, and finished in the oven. A baked omelette, by contrast, is mixed entirely in one bowl and baked from start to finish, which makes it quicker and easier for feeding larger groups.

FAQs & Tips

How Do I Store Leftovers?

Allow the baked omelette to cool, then store it in an airtight container in the refrigerator for up to four days. For longer storage, freeze portions for up to three months. Thaw overnight in the refrigerator and reheat gently in the microwave or oven.

Can You Use An Egg Substitute In This Recipe?

Yes. Follow the package directions for substituting liquid egg products for whole eggs, or use egg whites only. Keep in mind the texture will be slightly different—less rich—but the dish remains tasty and satisfying.

How Can I Prevent Overcooking A Baked Omelette?

Check for doneness starting around 40 minutes. The omelette is done when the center is set and a knife inserted into the middle comes out clean. Overbaking will dry the eggs, so remove it from the oven as soon as it’s set and let it rest a few minutes before slicing.

Serving Suggestions

Serve the baked omelette with skillet breakfast potatoes for a hearty morning meal, or pair it with a simple green salad and crusty bread for dinner. It also complements roasted vegetables or a light vegetable crisp. For a more festive table, include bacon or other breakfast sides and condiments like salsa or crema.

Baked Omelette

Smiling woman with glasses and dark hair, professional portrait for Baked Bree website.Diane Goodman

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Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour

Course Main Course
Cuisine American

Servings 4 servings
Calories 298 kcal

Ingredients

  

  • 8 large eggs
  • 2/3 cup milk
  • 1 cup shredded cheddar cheese
  • 2/3 cup diced ham
  • 1/2 medium yellow onion diced
  • 1/2 red bell pepper diced
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon Italian seasoning
  • 3/4 teaspoon kosher salt
  • 1/4 teaspoon black pepper

Instructions

 

  • Preheat the oven to 350°F.
  • In a large bowl, whisk together the eggs and milk. Stir in the shredded cheddar, diced ham, diced onion, diced red bell pepper, onion powder, garlic powder, Italian seasoning, salt, and black pepper until well combined.
  • Pour the mixture into a greased 9-inch square baking dish, spreading it evenly.
  • Bake for 40–50 minutes, or until the center is set and the top is lightly golden. Test with a knife in the center; it should come out clean.
  • Allow the omelette to cool a few minutes before slicing. Serve warm.

Nutrition

Calories: 298kcalCarbohydrates: 6gProtein: 23gFat: 20gSaturated Fat: 9gSodium: 1011mgFiber: 1g

Keyword Baked Omelette
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