Southwestern Baked Omelet (Easy Breakfast Casserole Recipe)
When it comes to feeding a hungry crowd on a busy morning, finding a satisfying recipe that doesn’t keep you stuck at the stove can be a challenge. This savory Southwestern Baked Omelet is the ultimate solution. It is a fluffy, protein-packed egg casserole loaded with savory diced ham, sweet bell peppers, crisp onions, and plenty of gooey, melted cheddar cheese.
With just 15 minutes of quick preparation work, you can slide this colorful dish right into the oven. This allows you to focus completely on your family while it bakes to golden perfection.
It is a vibrant, satisfying breakfast bake that turns a humble morning staple into an elegant, sliceable dish. It is perfect for holiday family gatherings, weekend brunches, or a simple meal-prep routine for a busy week ahead. (P.S. If you have leftover ham from the holidays, slicing it up for this bake is the absolute best way to use up the remaining pieces of Grandma’s Old-Fashioned Southern Baked Country Ham!)
Why You’ll Love This Baked Omelet
Effortless Crowd-Pleaser: This dish easily serves a table full of hungry guests all at once. You do not have to stand over a hot stove flipping individual omelets.
Meal Prep Friendly: The egg bake slices beautifully and stores like an absolute dream. Simply reheat a square in the morning for a quick, nutritious weekday breakfast.
Bursting with Nutrition: This recipe is packed with lean protein from the fresh eggs and diced ham. It also provides a colorful boost of vitamins from the red and green bell peppers.
Tips for a Fluffy Southwestern Egg Bake
Making a baked omelet is incredibly simple, but following a few key steps ensures your egg casserole turns out light, fluffy, and perfectly structured every single time.
- Whisk Your Eggs with High Care: When combining your eight large eggs, milk, and seasoned salt, treat the mixture with high care. Give it a vigorous whisk until the whites and yolks are fully incorporated and slightly frothy. Whisking traps tiny air bubbles in the liquid. This simple step helps the omelet rise beautifully and stay light in the oven.
Chopping and Testing Your Breakfast Bake
- Chop the Veggies Small and Even: Because this casserole bakes together in one single dish, you want to make sure your onions and bell peppers are finely and evenly diced. Small pieces ensure that every single bite gets a perfect balance of savory ham, sweet peppers, and cheese. This also allows the vegetables to tenderize beautifully in the center of the eggs.
- The Doneness Test: Ovens can vary, so start checking your baked omelet around the 45-minute mark. To ensure it is perfectly set, gently jiggle the baking dish. The center should be completely firm and stable, not wavy or wet. A sharp knife inserted right into the middle should come out completely clean.
Once it’s fresh out of the oven, let it cool for just a minute or two before slicing into generous squares. Next, pile them high on a serving platter. Let everyone customize their slice with fresh salsa, cool sour cream, creamy diced avocado, or a sprinkle of fresh chives!
Southwestern Baked Omelet (Easy Breakfast Casserole Recipe)
Equipment
- 1 8 inch square baking dish
- 1 large bowl
- 1 whisk
- 1 large spoon
- 1 knife
Ingredients
- 8 large eggs
- 1 cup milk
- ½ tsp lawry's seasoning salt
- ¾ cup diced cooked ham
- ½ cup shredded cheddar cheese
- ½ cup chopped onion
- ½ cup chopped green bell pepper
- ½ cup chopped red bell pepper
- Optional garnish: chopped fresh parsley or chives; diced avocado; sliced green onion; salsa, and sour cream
Instructions
- Preheat oven to 350°F. Grease an 8-inch-square baking dish with nonstick cooking spray. Whisk together eggs, milk, and seasoned salt in a large bowl.
- Stir in ham, cheese, onion, and bell peppers.
- Pour egg mixture into the prepared baking dish.
- Bake at 350°F for 45 minutes – 1 hour, or until eggs are cooked and the omelet is set. Cut into squares and garnish with herbs, sliced green onion, salsa, or diced avocado, if desired.
Nutrition
What are your favorite toppings for a Southwestern breakfast? Do you like to kick up the heat with hot sauce, or keep it classic with avocado? Let me know in the comments below! If your family loves this hearty breakfast bake, please take a quick second to leave a review and a star rating on the recipe card—your support helps keep our kitchen recipes growing!
P.S. Don’t forget to save this recipe! If Jetpack automatically shares this colorful brunch bake to your Facebook or Pinterest feeds today, go ahead and pin it so you always have the perfect crowd-feeding breakfast ready for your next big weekend gathering
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