Cheesy Southwest Tortilla Breakfast Casserole

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If you love bold flavors with a comforting, cheesy twist, this Cheesy Southwest Tortilla Breakfast Casserole is about to be your new go-to brunch star. Layers of tortillas, fluffy eggs, seasoned sausage, beans, peppers, and loads of melty cheese come together in a single baking dish to create a savory breakfast bake that’s perfect for feeding a crowd or prepping for the week.

The Southwest kick comes from smoky spices like cumin and chili powder, plus the irresistible pairing of sharp cheddar and pepper jack cheese. It’s hearty, satisfying, and customizable, whether you like a little heat or prefer to keep things mild. Plus, it reheats beautifully, so leftovers are just as delightful.

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What Kind of Tortillas Should I Use?

Both corn and flour tortillas work, but they each bring their own character. Corn tortillas give a more traditional, earthy flavor and hold up better without becoming too soft. Flour tortillas will yield a softer, more cohesive texture. Use whichever you prefer—or even try a mix of both for contrast.

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Ingredients for the Cheesy Southwest Tortilla Breakfast Casserole

• 1 tablespoon olive oil
• 1/2 pound breakfast sausage (or chorizo for extra spice)
• 1/2 cup diced red bell pepper
• 1/2 cup diced green bell pepper
• 1/2 cup diced onion
• 1 teaspoon chili powder
• 1/2 teaspoon ground cumin
• 1/2 teaspoon garlic powder
• Salt and black pepper to taste
• 1 (15-ounce) can black beans, drained and rinsed
• 6 large eggs
• 1/2 cup milk
• 1 cup shredded cheddar cheese
• 1 cup shredded pepper jack cheese
• 6 small tortillas (corn or flour), cut into quarters
• Optional: chopped cilantro, green onions, hot sauce for topping

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How To Make the Cheesy Southwest Tortilla Breakfast Casserole

Step 1: Sauté the Veggies and Sausage

Heat olive oil in a large skillet over medium heat. Add sausage, breaking it apart as it browns. Add bell peppers and onions, and cook until softened. Stir in chili powder, cumin, garlic powder, salt, and pepper. Remove from heat.

Step 2: Whisk the Egg Mixture

In a large bowl, whisk together the eggs and milk. Season lightly with salt and pepper.

Step 3: Assemble the Layers

In a greased 9×13-inch baking dish, layer half of the tortilla pieces, followed by half of the sausage mixture, beans, and cheeses. Repeat the layers. Pour the egg mixture evenly over the top.

Step 4: Bake to Perfection

Cover with foil and bake at 350°F (175°C) for 25 minutes. Remove the foil and bake for another 10-15 minutes until the casserole is set and golden. Let it rest 5-10 minutes before serving.

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How to Serve and Store This Southwest Breakfast Casserole

This casserole shines at weekend brunches or make-ahead breakfasts. Top each slice with fresh cilantro, green onions, avocado, or a splash of hot sauce for even more flavor. Pair it with a side of fruit or a light salad to balance the richness.

To store, let the casserole cool completely. Cover and refrigerate for up to 4 days. Reheat individual portions in the microwave or oven. It also freezes well—wrap tightly and freeze for up to 2 months. Thaw in the fridge overnight before reheating.

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Frequently Asked Questions

How spicy is this casserole?

It has a mild to medium spice level, mostly from the pepper jack and chili powder. You can make it milder by using only cheddar and omitting chili powder, or kick it up with jalapeños or hot sauce.

Can I make it vegetarian?

Absolutely! Skip the sausage and add more beans or cooked veggies like mushrooms, spinach, or zucchini.

Can I make this the night before?

Yes! Assemble everything, cover, and refrigerate overnight. In the morning, bake as directed, adding 5 extra minutes if it’s cold from the fridge.

What size tortillas should I use?

Small taco-size tortillas work best, but you can use any size—just cut them to fit the dish.

Can I use egg whites instead of whole eggs?

Yes, substitute 1 cup of egg whites for every 2 whole eggs, or use a liquid egg substitute. Just keep an eye on texture.

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Want More Breakfast Casserole Ideas?

If you’re all about cozy brunch vibes, you’ll love these comforting recipes too:

• Nutella French Toast Casserole for sweet morning indulgence.
• Cottage Cheese Egg Bake if you want something protein-packed and simple.
• Taco Spaghetti Casserole when you’re craving a fusion twist.
• Sour Cream Beef Noodle Casserole for a hearty dinner-turned-breakfast leftover.
• The Ultimate Taco Casserole Recipe that doubles as brunch or dinner.

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Save This Pin + Share Your Results

📌 Save this Cheesy Southwest Tortilla Breakfast Casserole to your breakfast board on Pinterest so you can make it again and again.

Let me know in the comments if you added your own flair! Did you go with chorizo or stick to classic sausage? Swap in green chilies? I’m always excited to see your takes and tips—we all learn better when we cook together.

For more daily recipes and creative breakfast ideas, follow along on Pinterest @NinaDishes.

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