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Baked Omelette

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Diane GoodmanBy Diane Goodman
Diane Goodman
Diane Goodman Food Writer

Diane’s passion for cooking and writing inspired her to open Diane Cooks, Inc., a private chef and boutique catering company, and to write 3 collections of food-themed short stories, The Genius of …

Expertise: Former owner of private chef & boutique catering company, Diane Cooks, Inc. View all posts →
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This is an easy, versatile, and very delicious option for breakfast, lunch, or dinner… and don’t forget about brunch!

Baked cheesy chicken and rice casserole in a glass baking dish with a serving spatula.

We normally think of omelettes as something to prepare on the stovetop, but if you want to serve this eggy delight to your family or even a bigger crowd, you’ve got to try this baked omelette. You’ll end up with the same golden crust, fluffy interior, and rich, cheesy taste you love in a traditional omelette, but the process is pretty foolproof—something that is not always true for me when I’m making an omelette!

Our recipe for baked omelette includes diced ham, onion, red bell pepper, and cheddar cheese, which makes it a version of the Denver omelette, also known as a Western omelette. These omelettes have similar ingredients, along with some kind of shredded cheese. We like red bell pepper in our omelette and are also adding onion powder, garlic powder, and Italian seasoning, which gives the moist, pillowy eggs an additional layer of flavor.

One of the best things about our recipe is that it is a one-bowl wonder! All the ingredients are mixed in the one bowl and then poured into the prepared dish. While the omelette bakes, you can wash up the mixing bowl (cleanup done!) and then set about preparing whatever you plan on serving with your omelette.

Baked Omelette Vs. Frittata

In the world of baked egg dishes, there are lots to choose from. Breakfast casseroles are favorites when we need to feed a crowd. Quiches in their flaky crusts are lovely for lunch. And who doesn’t love a strata with all that eggy goodness with layers of bread baked in? But for some reason, of all the baked egg dishes, it is the frittata that is most often confused for a baked omelette. But they are two different things.

Unlike the baked omelette, a frittata usually starts out on the stovetop. In this Italian egg dish, vegetables are sautéed and then the egg-milk mixture is poured on top of them. At this point, the eggs begin to set a bit before being sprinkled with cheese and then finished in the oven. If you’ve never made a frittata before, try this recipe for Cheesy Baked Frittata With Spinach, Potato, And Pepper.

Eggs, chopped onions, diced ham, shredded cheese, milk, and seasonings for baked quiche. Ideal ingredients for a savory breakfast or brunch dish.

FAQs & Tips

How Do I Store Leftovers?

Store the cooled baked omelette in an airtight container in the refrigerator for up to 4 days or in the freezer for up to 3 months. Thaw the frozen omelette in the fridge and reheat in the microwave.

Can You Use An Egg Substitute In This Recipe?

You can, and the container will list the proper whole egg to substitute ratio. You can also use only egg whites. For each of these substitutions, remember that the texture will be different than when you use whole eggs, but the dish will still be delicious.

How Can I Prevent Overcooking A Baked Omelette?

Good question. Overcooking can result in a dry or tough omelette. Begin to check for doneness at the 40-minute mark. If a knife inserted comes out clean, remove the omelette from the oven and let it rest before slicing.

Baked cheesy vegetable casserole with red bell peppers on white plates.

Serving Suggestions

Pair your omelette with these Skillet Breakfast Potatoes if you’re having it for breakfast or this Savory Vegetable Crisp if you’re serving it for dinner. In that case, offer a simple Green Salad and some great bread (like Focaccia). It can also be a part of a more elaborate meal. At my house, we often have it alongside a Vegetarian Tamale Casserole and Fajita Veggies with some Enchilada Sauce and Mexican Crema. And even though the omelette has ham, that doesn’t mean a side of crispy Grilled Bacon wouldn’t be great, too.

Cheesy breakfast casserole with red peppers in a glass baking dish.
Baked cheesy chicken and rice casserole in a glass baking dish with a serving spatula.

Baked Omelette

Smiling woman with glasses and dark hair, professional portrait for Baked Bree website.Diane Goodman
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Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 50 minutes mins
Total Time 1 hour hr
Course Breakfast
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 eggs and milk. Add shredded cheddar cheese, diced ham, diced onion, diced bell pepper, onion powder, garlic powder, Italian seasoning, salt, and black pepper. Mix well.
    Creamy scrambled eggs with red bell peppers and onions, perfect for breakfast or brunch.
  • Pour the egg mixture into a greased 9-inch square baking dish.
    Creamy breakfast casserole with cheese and diced red peppers, ready for baking or serving.
  • Bake in the preheated oven for 40-50 minutes, or until the eggs are set and the top is slightly golden. Check doneness by inserting a knife in the center; it should come out clean.
    Baked Broccoli and Cheddar Egg Casserole in a glass dish.
  • Let the omelette cool for a few minutes before slicing. Serve warm.

Nutrition

Calories: 298kcalCarbohydrates: 6gProtein: 23gFat: 20gSaturated Fat: 9gSodium: 1011mgFiber: 1g
Keyword Baked Omelette
Tried this recipe?Let us know how it was!
Smiling woman with glasses and dark hair, professional portrait for Baked Bree website.

About Diane Goodman

Diane’s passion for cooking and writing inspired her to open Diane Cooks, Inc., a private chef and boutique catering company, and to write 3 collections of food-themed short stories, The Genius of Hunger, The Plated Heart, and Party Girls, all featuring characters who are chefs, waiters, caterers, grocery shoppers, home cooks, and people throwing parties.

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Published: Jun 1, 2025 | Updated: Oct 17, 2025

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