Transform yesterday’s taco night into a hearty morning feast with this customizable tortilla breakfast casserole that brings comfort and satisfaction with every bite.

The Rise of the Leftover Transformation Trend

Americans have long wrestled with leftovers. The answer? The Tortilla Breakfast Casserole—an easy, crowd-pleasing breakfast or brunch option that transforms leftover taco ingredients into a new and exciting dish. Instead of letting leftover taco meat or tortillas sit idle, this recipe reimagines them as a comforting, hearty morning meal layered with flavor.

This inventive casserole is built in a few quick steps: torn flour tortillas form the base, topped with refried beans, taco meat, chopped onions, and diced tomatoes. Shredded cheese adds richness before a mixture of whisked eggs and milk brings it all together, baking to a golden finish. Fresh lettuce adds a light, crunchy topping, while salsa, sour cream, or hot sauce allows for a dash of extra customization.

Think Tex-Mex Hot-Dish Brunch with Customizable Layers

For families, busy professionals, or those looking to save time, this casserole ticks all the boxes. It’s easily customizable—think jalapeños for spice, bell peppers for crunch, or black olives for added depth. Prep the night before, and it becomes a bake-and-go solution in the morning. Even leftovers from this makeover can be repurposed for subsequent meals, ensuring no morsel goes to waste.

Here’s a detailed blog post on how to make a Tortilla Breakfast Casserole using your leftover taco ingredients. This hearty dish is perfect for breakfast or brunch and can easily be customized to suit your taste!

Tortilla Breakfast Casserole Recipe

Ingredients:

4-5 flour tortillas, torn into large pieces
1 ½ cups leftover taco meat
1 cup chopped onions
1 cup diced tomatoes (drain excess liquid)
1 cup refried beans
1 cup shredded cheese (cheddar, Mexican blend, or your favorite)
6 large eggs
1 cup milk
Salt and pepper to taste
1 cup shredded lettuce (for topping)
Optional: salsa, hot sauce, or sour cream for serving

Instructions:

Preheat Your Oven: Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish lightly with cooking spray or oil.
Layer the Tortillas: Tear the flour tortillas into large pieces and create an even layer at the bottom of the greased baking dish. This will act as the base for your casserole.
Add the Filling:
- Spread the refried beans over the tortilla pieces as evenly as possible.
- Layer the leftover taco meat on top of the refried beans, distributing it evenly.
- Add a layer of chopped onions and diced tomatoes.
Sprinkle Cheese: Spread the shredded cheese over the meat and veggie layers. Feel free to add more cheese if you love it extra cheesy!
Prepare the Egg Mixture: In a mixing bowl, whisk together the eggs, milk, salt, and pepper until fully combined. Pour this egg mixture evenly over the layered ingredients in the baking dish. Gently press down on the layers with a spatula so that the egg mixture covers the ingredients well.
Bake: Place the baking dish in the preheated oven and bake for about 30-35 minutes, or until the eggs are set and the top is golden brown.
Cool and Top: Once baked, remove the casserole from the oven and let it cool for a few minutes. Top with shredded lettuce for a fresh crunch.
Serve: Slice the casserole into squares and serve warm. Add optional toppings like salsa, hot sauce, or sour cream to enhance the flavor.

Tips for a Perfect Breakfast Casserole:

Customizable Layers: Feel free to add extras like jalapeños, bell peppers, or black olives to your layers.
Make-Ahead Friendly: This casserole can be prepped the night before and stored in the fridge. Simply bake it fresh in the morning!
Storing Leftovers: Store any leftovers in an airtight container in the fridge for up to 3 days. Reheat individual portions in the microwave for a quick breakfast.

According to many food writers, the rise in interest for leftover-based recipes has surged in recent years as home chefs prioritize sustainability, reducing food waste while embracing creativity. The tortilla breakfast casserole not only fits this movement but also delivers unbeatable flavor.

Why You’ll Love This New Morning Staple

Beyond convenience, the Tortilla Breakfast Casserole shines for its comfort-food appeal. Savory taco meat mingles with fluffy eggs, gooey melted cheese, and just enough zing from fresh toppings. Whether it’s brunch for a crowd or meal prep for the week ahead, it makes mornings brighter—and tastier.

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