Name: Mexican Breakfast Casserole Recipe
Prep time: 15 min
Cook time: 50 min
Total time: 1 h 5 min
Cuisine: Mexican
Ingredients: 2 tablespoons oil or butter; 1 small green bell pepper, diced; 1 small sweet onion, finely chopped; ½ pound ground sausage; ½ pound ground beef or turkey (93/7 lean); 2 tablespoons taco seasoning; 1 teaspoon salt, divided; ½ teaspoon black pepper, divided; 1 cup salsa (mild or medium); 1 cup canned sweet corn, drained; 1 cup canned black beans, rinsed and drained; 12 large eggs; ¼ cup milk (cashew, almond, or soy milk); ½ teaspoon salt; ¼ teaspoon black pepper; 8 corn tortillas, cut into quarters; 2 cups shredded cheese (cheddar or Monterey Jack)

Jump to Recipe· 4.3 from 84 reviews

If you’re craving a breakfast dish that’s bursting with flavor, hearty enough to keep you going all morning, and wonderfully easy to prepare, this Mexican Breakfast Casserole Recipe is exactly what you need in your life. Layers of tender corn tortillas, savory spiced ground meat, vibrant black beans and corn, creamy cheese, and fluffy eggs come together to create a breakfast masterpiece with a delightful Mexican twist. Whether you’re feeding a crowd or prepping ahead for a busy week, this casserole promises a satisfying meal that feels like a warm hug on a plate.

Ingredients You’ll Need

The image shows a white rectangular baking dish with two visible layers inside. The bottom layer is a brown ground meat mixture with some small lighter bits mixed in, partially visible around the edges. On top of this is a layer of pale, off-white half-moon shaped tortilla pieces, arranged in a slightly overlapping pattern, covering the meat layer fully. The texture of the tortillas looks soft and a little bumpy. The dish is placed on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

The magic of this Mexican Breakfast Casserole Recipe lies in the simplicity yet unbeatable combination of its ingredients. Each one plays its role: protein-packed sausage and beef bring richness, fresh vegetables add crunch and color, and the cheese melts into golden, gooey goodness. Together, they create a balanced dish that’s as colorful as it is delicious.

2 tablespoons oil or butter: This is the flavorful fat that helps sauté the veggies and meat perfectly.
1 small green bell pepper: Adds a sweet crunch and lovely green freshness to the casserole.
1 small sweet onion finely chopped: Brings a subtle sweetness and depth to the savory layers.
1 teaspoon salt divided: Enhances every bite without overpowering the other flavors.
½ teaspoon black pepper: Adds a mild spice to round out the savory elements.
½ pound ground sausage regular: Infuses the dish with a hearty, slightly spiced punch of flavor.
½ pound ground beef or turkey 93/7: Provides lean protein and balances the richness of sausage.
2 tablespoons taco seasoning: Brings authentic Mexican flair with a blend of spices that’ll awaken your taste buds.
1 cup salsa mild or medium: Offers bright tomato tang and just the right amount of heat.
1 cup canned sweet corn drained: Adds poppy sweetness and a bit of texture.
1 cup canned black beans rinsed and drained: Packs fiber and an earthy undertone that complements the meat perfectly.
12 large eggs: The star that ties everything together with fluffy, rich custard.
¼ cup milk (cashew, almond, or soy milk): Lightens the egg mixture for perfect bake texture.
8 corn tortillas cut into quarters: The hearty base that soaks up all those flavors layer by layer.
2 cups shredded cheese cheddar or Monterrey Jack: Melts beautifully for gooey, golden topping and pockets throughout.

How to Make Mexican Breakfast Casserole Recipe

Step 1: Sauté the Vegetables

Start by heating the oil or butter in a large skillet over medium heat. Toss in the finely chopped onions and green bell pepper, sautéing for about 2 to 3 minutes until they soften and become fragrant. This foundational step releases sweet and fresh aromas that infuse the casserole from the very start.

Step 2: Cook and Season the Meat

Add the ground sausage and beef into the skillet with the softened veggies. Cook everything together for 6 to 8 minutes, breaking up the meat with a potato masher or wooden spoon so it browns evenly and crisps lightly. Sprinkle the taco seasoning, half a teaspoon of salt, and a quarter teaspoon of black pepper over the mixture, then stir to combine all those delicious flavors.

Step 3: Mix the Salsa, Corn, and Beans

While the meat finishes cooking, grab a medium bowl and combine the salsa, drained sweet corn, and rinsed black beans. This colorful mixture will add juicy bursts and a wonderful texture contrast to the casserole’s layers.

Step 4: Whisk the Egg Mixture

In a large bowl, whisk together the eggs, milk, remaining salt, and pepper until smooth and slightly frothy. This egg mixture will soak into the tortillas, binding the casserole into a fluffy, rich dish that’s full of flavor and completely comforting.

Step 5: Layer the Casserole

Spray a 9 x 13 inch baking dish with non-stick cooking spray to make removal easy. Begin by layering half of the cooked meat mixture, followed by 16 quarters of corn tortillas arranged evenly. Next, spread half of the salsa-corn-bean mix and sprinkle with 1 cup of shredded cheese. Repeat all layers — meat, tortillas, salsa mixture — and finish by pouring the egg mixture evenly over the entire pan, topping it all off with the remaining 1 cup of cheese.

Step 6: Bake to Perfection

Cover the casserole loosely with aluminum foil and bake in a preheated 375°F oven for 45 to 55 minutes. The casserole is ready when the center is set and doesn’t jiggle when you gently shake the dish. For the final 10 minutes, remove the foil so the cheese on top can brown into a golden, irresistible crust.

How to Serve Mexican Breakfast Casserole Recipe

A close-up of a large silver pan filled with cooked ground meat that is light brown with some reddish bits, being mashed with a metal potato masher held by a woman's hand at the top. In the bottom right corner of the pan, there are small pieces of cooked green bell pepper and white onion mixed together, glossy and soft. The overall texture is chunky with the meat broken into small pieces and the vegetables finely chopped, all resting on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh garnishes really elevate this casserole. Sprinkle chopped cilantro and sliced green onions for a bright herbal note. Creamy slices of avocado add lusciousness, while extra salsa on the side brings a fresh, tangy kick that balances the rich layers perfectly.

Side Dishes

This dish is hearty on its own, but if you’re looking to round out your meal, consider serving fresh fruit salad for a light and refreshing contrast, or some crispy breakfast potatoes for added crunch and comfort.

Creative Ways to Present

Turn this casserole into a festive brunch centerpiece by serving it straight from the baking dish surrounded by small bowls of your favorite toppings like sour cream, jalapeño slices, or pickled onions. Another fun idea is to portion it into individual ramekins before baking for perfectly portioned servings that feel special and personalized.

Make Ahead and Storage

Storing Leftovers

Once cooled, cover the casserole tightly with plastic wrap or transfer leftovers to an airtight container. It will keep well in the refrigerator for up to 3 days, making it a wonderful option for quick breakfasts or snacks later in the week.

Freezing

This Mexican Breakfast Casserole Recipe freezes beautifully. Wrap it tightly in foil and then in plastic wrap to prevent freezer burn. Stored this way, it will last up to 2 months. When you’re ready to enjoy it, thaw overnight in the fridge before reheating.

Reheating

To bring leftover casserole back to life, warm individual portions in the microwave for 1 to 2 minutes or reheat the entire dish covered with foil in a 350°F oven for about 20 minutes until warmed through and bubbly.

FAQs

Can I use corn tortillas instead of flour tortillas in this Mexican Breakfast Casserole Recipe?

Yes, corn tortillas are actually the traditional choice here. They add that authentic flavor and texture that pairs perfectly with the casserole’s fillings and help keep it gluten-free.

Is it okay to substitute ground turkey for beef?

Absolutely! Ground turkey is a leaner option that works wonderfully with the seasoning and other ingredients, keeping the dish flavorful but lighter.

Can I make this casserole vegetarian?

Yes, simply skip the meat and add extra beans, sautéed mushrooms, or seasoned tofu to keep the protein content while maintaining the rich, hearty texture.

How spicy is the dish?

The spice level can be adjusted easily by choosing mild or medium salsa and modifying the amount of taco seasoning. For a milder casserole, use mild salsa and less seasoning; for more heat, turn to medium salsa or add chopped jalapeños.

Can I prepare the casserole the night before and bake it in the morning?

Definitely! This Mexican Breakfast Casserole Recipe is perfect for making ahead. Assemble it the night before, keep it covered in the fridge, and bake fresh in the morning for a stress-free breakfast.

Final Thoughts

If you want a breakfast dish with a joyful burst of flavors, easy prep, and the comforting feel of home cooking, this Mexican Breakfast Casserole Recipe is sure to become one of your favorites. Gather your ingredients, enjoy the layering process, and look forward to that first delicious bite that will make mornings so much brighter and tastier. Give it a try and watch it become a beloved staple on your breakfast table!