Name: Southwest Egg Casserole Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Southwestern
Ingredients: 1 pound ground breakfast sausage; 1 red bell pepper, diced; 1 green bell pepper, diced; 1 yellow onion, finely diced; 2 cloves garlic, minced; Olive oil, for cooking; Kosher salt and freshly ground black pepper, to taste; 1 teaspoon smoked paprika; ½ teaspoon chili powder; ½ teaspoon cumin; 12 large eggs; 1 1/4 cups half-and-half (or whole milk); 1 1/4 teaspoon kosher salt; ½ teaspoon freshly ground black pepper; 2 cups shredded sharp cheddar cheese (or a mix of cheddar and Monterey Jack); 2 tablespoons fresh cilantro, chopped

Jump to Recipe· 4.2 from 85 reviews

If you are craving a hearty and flavorful breakfast that packs a punch with every bite, this Southwest Egg Casserole Recipe is your new go-to. Bursting with vibrant colors from bell peppers and a smoky, spicy kick from carefully chosen spices, this casserole is a crowd-pleaser perfect for lazy weekend brunches or feeding a hungry family. It combines savory sausage, fluffy eggs, and melty cheese into one irresistible dish that always leaves everyone asking for seconds.

Ingredients You'll Need

The image shows a variety of ingredients arranged neatly on a white marbled surface, including a tray with ten brown eggs in two rows on the left center, a glass bowl of chopped white onions to the far left, a small white plate with four different spices in small piles near the bottom left, a glass bowl of chopped green bell pepper at the top center, a glass bowl of ground meat to the right of the green peppers, and a glass bowl filled with shredded orange cheese near the right side. Below the cheese and meat bowls, there is a small bunch of fresh green cilantro, a glass bowl with chopped red bell peppers to the right of the cilantro, a small glass bowl holding two garlic cloves in the bottom right corner, and a glass measuring cup of milk near the top right. The scene is well-lit and organized for easy viewing photo taken with an iphone --ar 4:5 --v 7

Simple yet essential, each ingredient in this casserole plays a crucial role in creating that perfect balance of taste, texture, and color that makes the Southwest Egg Casserole Recipe so special.

1 pound ground breakfast sausage: Choose your favorite for a rich, savory base that adds plenty of flavor.
1 red bell pepper, diced: Adds vibrant color and a sweet crunch to the mix.
1 green bell pepper, diced: Brings a slightly bitter, earthy note that balances the sweetness.
1 yellow onion, finely diced: Offers a mild, aromatic sweetness when sautéed.
2 cloves garlic, minced: Delivers depth and a fragrant punch to the dish.
1 teaspoon smoked paprika: Infuses smoky warmth that elevates the southwestern flavors.
½ teaspoon chili powder: Adds a gentle heat and complexity without overpowering.
½ teaspoon cumin: Enhances the earthiness with a subtle, nutty undertone.
12 large eggs: The fluffy, protein-packed main event holding everything together.
1 ¼ cups half-and-half (or whole milk): Creates creamy, tender eggs that never dry out.
2 cups shredded sharp cheddar cheese: Or a blend with Monterey Jack for gooey, melty cheesiness.
2 tablespoons fresh cilantro, chopped: Adds a bright, herbaceous freshness as a finishing touch.
Olive oil, for cooking: Keeps your veggies and sausage from sticking while adding subtle richness.
Kosher salt and freshly ground black pepper, to taste: Vital seasonings that bring all the flavors into perfect harmony.

How to Make Southwest Egg Casserole Recipe

Step 1: Brown the Sausage

Start by heating a large skillet over medium-high heat and cooking the ground breakfast sausage until it’s beautifully browned and crumbled. This step not only develops deep flavor but ensures the sausage adds a satisfying texture to the casserole. Once cooked, transfer the sausage to a plate and set it aside to keep warm.

Step 2: Sauté the Vegetables and Spices

Using the same skillet, add a little olive oil if needed, then sauté the diced red and green bell peppers along with the yellow onion. This softens the vegetables, allowing their natural sweetness to shine. Season with salt and pepper as you cook. Stir in the minced garlic and the spices—smoked paprika, chili powder, and cumin—and cook for an extra minute until the mixture is fragrant and inviting.

Step 3: Layer the Sausage and Veggies

Next, grease a 9×13-inch baking dish to make sure your casserole doesn’t stick. Spread the cooked sausage evenly across the bottom, then top with your sautéed vegetable and spice mix. This colorful base sets the stage for the creamy egg portion to come.

Step 4: Prepare and Pour the Egg Mixture

In a large bowl, whisk together the eggs, half-and-half (or milk), salt, and black pepper until smooth. Fold in half of the shredded cheese to add gooey cheese pockets throughout. Pour this luscious egg and cheese mixture evenly over the sausage and veggies, letting it seep into every corner of the dish.

Step 5: Add Cheese and Bake

Sprinkle the remaining shredded cheese over the top for a golden, bubbly finish. Bake the casserole at 375°F for about 25 to 30 minutes. Keep a close eye as it nears the end—the eggs should be just set in the center without any jiggle, and the top should be a gorgeous golden color. The eggs will continue cooking slightly as the casserole rests.

Step 6: Rest and Garnish

Allow the casserole to rest for 5 to 10 minutes after removing it from the oven. This helps it firm up, making it easier to slice. Finally, sprinkle fresh chopped cilantro right before serving for a bright, fresh contrast that ties all the flavors together beautifully.

How to Serve Southwest Egg Casserole Recipe

A white rectangular baking dish holds a layered casserole with the bottom layer made of cooked ground meat, small diced green and red bell peppers, and orange bits of cooked vegetables. On top, a creamy mixture with visible small specks of black pepper and bits of shredded orange cheese is being poured from a clear glass bowl held by a woman's hand. The creamy layer spreads evenly over the cooked meat and vegetables, creating a smooth pale yellow surface with some floating bits inside. The dish is set on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh cilantro is the classic finishing touch, but you can also add slices of avocado, a dollop of sour cream, or a sprinkle of chopped green onions for extra color and texture. These garnishes bring coolness and freshness that complement the warm, spicy casserole perfectly.

Side Dishes

Pair this hearty casserole with light sides like a crisp mixed greens salad or fresh fruit salad. For a more filling meal, consider serving it alongside warm tortillas or crusty bread to soak up any cheesy goodness left on the plate.

Creative Ways to Present

Try serving this casserole cut into individual squares on a rustic wooden board for a brunch party, or portion it into small ramekins for an elegant presentation. You can also add a southwestern salsa or pico de gallo on the side to kick the flavors up another notch.

Make Ahead and Storage

Storing Leftovers

This Southwest Egg Casserole Recipe stores beautifully in an airtight container in the refrigerator for up to four days. Just cover it tightly to keep the eggs and cheese moist and flavorful after reheating.

Freezing

To freeze, wrap the cooled, uncut casserole tightly in plastic wrap and then foil, or place it in a freezer-safe container. It can be frozen for up to two months, making it a fantastic option for meal prep or busy mornings.

Reheating

Reheat leftover casserole in the oven at 350°F until warmed through to keep the texture tender and to avoid rubbery eggs. For a quick fix, microwave individual portions with a damp paper towel to maintain moisture.

FAQs

Can I use turkey sausage instead of breakfast sausage?

Absolutely! Turkey sausage provides a leaner alternative and works wonderfully in this Southwest Egg Casserole Recipe. Just make sure to choose a flavorful variety to keep that savory punch.

What can I substitute for half-and-half?

If you don’t have half-and-half on hand, whole milk is a great substitute that keeps the eggs creamy. For a dairy-free option, unsweetened almond or oat milk can also work, though the flavor will be slightly different.

Is it possible to make this casserole vegetarian?

Definitely! Simply omit the sausage and replace it with sautéed mushrooms, black beans, or a plant-based meat alternative. This keeps the heartiness while staying true to the Southwest flavors.

Can I add more spice to this casserole?

Yes, feel free to increase the chili powder or add chopped jalapeños for more heat. Just balance carefully so the spices enhance rather than overpower the other ingredients.

How far in advance can I prepare this casserole?

You can assemble the casserole up to a day before baking. Cover it tightly and refrigerate until ready to bake, which makes it super convenient for busy mornings or entertaining guests.

Final Thoughts

This Southwest Egg Casserole Recipe is truly a winner for any occasion that calls for comfort, flavor, and a touch of spice. It’s easy to make, packed with layers of texture and color, and absolutely delicious from the first bite to the last. Give it a try and watch it become your new breakfast or brunch favorite that everyone will love!

Southwest Egg Casserole Recipe

Ingredients You'll Need