If you have been searching for a warm, flavorful, and crowd-pleasing breakfast that brings a delightful twist to your mornings, this Taco Breakfast Casserole Recipe is exactly what you need. Imagine the perfect marriage of cheesy, spicy taco goodness with the comforting satisfaction of a breakfast bake. It’s a simple yet hearty dish that transforms basic ingredients into a fiesta of flavors that will have everyone asking for seconds. Whether you’re feeding a family or hosting brunch with friends, this casserole makes waking up something to celebrate.

Ingredients You’ll Need
Gathering the right ingredients for this Taco Breakfast Casserole Recipe is easier than you might think. Each element plays a vital role, from the savory seasoned beef to the creamy egg mixture that binds it all together, creating a perfect balance of textures and flavors.
- 1 lb lean ground beef: The hearty base, providing rich and savory flavor that’s essential for the taco twist.
- 1 (1-oz) package taco seasoning: This adds the signature spicy taco seasoning that brings the dish to life.
- â…” cup water: Blends with the seasoning to create a flavorful sauce for the beef.
- 6 slices white bread: Buttered and cubed, these add a soft, slightly crispy texture and soak up all the delicious juices.
- 1½ cups shredded cheddar cheese: Cheesy goodness that melts beautifully, offering richness and gooey appeal.
- 5 large eggs: The binding agent that, combined with half-and-half, makes the casserole custardy and smooth.
- 2 cups half-and-half: Adds creaminess to the egg mixture for a luscious, tender bake.
- ½ tsp salt: Enhances all the flavors perfectly without overpowering.
- 1 (10-oz) can Rotel diced tomatoes and green chiles (undrained): Brings a fresh, zesty kick and a bit of tang that livens up the dish.
How to Make Taco Breakfast Casserole Recipe
Step 1: Cook and Season the Beef
Start by browning the ground beef in a large skillet over medium heat until it’s fully cooked and no longer pink. Drain off excess fat to keep the dish from getting greasy. Return the beef to the skillet, then stir in the taco seasoning and water. Allow this to simmer for about 5 minutes, letting the liquid reduce until most is absorbed. This step builds a flavorful, well-seasoned meat layer for the casserole.
Step 2: Prepare the Bread Base and Layer
Butter both sides of each slice of bread before cutting them into cubes. This buttering adds a subtle richness and helps the bread toast up slightly while baking. Spread the bread cubes evenly in a 9×13-inch baking dish, giving your casserole a sturdy yet tender foundation. Next, layer the taco-seasoned beef over the bread, followed by a generous sprinkling of shredded cheddar cheese to add that perfect melty cheese layer.
Step 3: Mix the Egg Custard and Add Tomatoes
In a large bowl, whisk together the eggs, half-and-half, and salt until combined into a smooth custard mixture. Then, gently stir in the undrained can of Rotel diced tomatoes and green chiles, which infuse the dish with a fresh, tangy, and slightly spicy boost. Pour this custard evenly over the layered bread, meat, and cheese, letting it soak in and bring everything together.
Step 4: Chill and Bake
Cover the baking dish and refrigerate for at least 8 hours, or overnight if possible. This resting time allows the bread to absorb the egg mixture thoroughly, ensuring every bite is deliciously tender. When ready, preheat your oven to 350ºF and bake the casserole uncovered for 40 to 50 minutes, until the top is golden and the center is set but still soft.
How to Serve Taco Breakfast Casserole Recipe

Garnishes
Adding garnishes transforms your Taco Breakfast Casserole Recipe from tasty to absolutely memorable. Fresh cilantro, sliced green onions, or a dollop of sour cream bring brightness and freshness. Don’t forget some sliced avocado or a squeeze of lime juice to add creamy and tangy layers that complement the savory bake beautifully.
Side Dishes
This casserole stands strong on its own, but paired with some simple sides, it becomes a full breakfast powerhouse. Consider serving with a crisp mixed green salad or fresh fruit for a refreshing contrast. Warm tortillas or refried beans also pair well, doubling down on that satisfying Mexican-inspired flavor palette.
Creative Ways to Present
Want to impress your brunch guests? Serve the Taco Breakfast Casserole Recipe in individual ramekins for a personalized touch. Another fun idea is to top with extra cheese and broil briefly for a golden crust finish. For a breakfast party, you can even create a build-your-own taco bar using the casserole as the filling, letting everyone customize their plate as they please.
Make Ahead and Storage
Storing Leftovers
If you have leftovers (and you might!), simply cover the casserole with plastic wrap or transfer portions to airtight containers and refrigerate. It will keep fresh for up to 3-4 days, making it a perfect grab-and-go breakfast or lunch option.
Freezing
Want to make this taco breakfast magic in advance? Assemble the casserole as directed, then cover tightly with foil and freeze before baking. When ready to enjoy, thaw overnight in the fridge and bake as usual. This method allows you to enjoy the Taco Breakfast Casserole Recipe anytime with minimal effort.
Reheating
To reheat, place individual portions in the microwave for 1-2 minutes or until warmed through. You can also reheat slices in a 350ºF oven for about 15 minutes to restore that freshly baked texture and melt the cheese to perfection. Either way, the flavors remain bold and comforting, making for a satisfying meal.
FAQs
Can I use other types of cheese for the Taco Breakfast Casserole Recipe?
Absolutely! While cheddar cheese provides a classic flavor and perfect melting quality, you can easily swap it with Monterey Jack, pepper jack for extra spice, or even a Mexican cheese blend. Choose what suits your taste best.
Is it possible to make this casserole vegetarian?
Yes! Replace the ground beef with seasoned cooked beans or plant-based meat substitutes. Adding vegetables like bell peppers, onions, or zucchini can also enhance texture and flavor.
Can I prepare this casserole the same day I want to serve it?
While you can assemble and bake the casserole the same day, letting it chill for at least 8 hours or overnight yields the best texture and melding of flavors, so plan ahead if possible.
What can I serve with this casserole for a complete brunch?
Offer fresh fruit, a simple green salad, warm tortillas, or refried beans on the side for a balanced and festive brunch spread that complements the taco flavors wonderfully.
How spicy is this Taco Breakfast Casserole Recipe?
The dish has a mild to moderate spice level thanks to the taco seasoning and Rotel tomatoes with green chiles. You can adjust the heat by choosing mild or hot taco seasoning based on your preference.
Final Thoughts
This Taco Breakfast Casserole Recipe is truly a breakfast game-changer that brings warmth, zest, and cheesy comfort to your table. Whether it’s a busy weekday or a special weekend brunch, this dish fits perfectly for all occasions with its easy prep and big flavor. Trust me, once you try this, it will become a beloved staple in your recipe collection that you’ll want to make again and again.
Print
Taco Breakfast Casserole Recipe
- Prep Time: 8 hours 15 minutes
- Cook Time: 40 minutes
- Total Time: 8 hours 55 minutes
- Yield: 8 servings
- Category: Breakfast Casserole
- Method: Baking
- Cuisine: Tex-Mex
Description
This Taco Breakfast Casserole is a flavorful and hearty dish perfect for a weekend brunch or a special family breakfast. It combines seasoned ground beef, crunchy bread cubes, melted cheddar cheese, and a creamy egg mixture infused with zesty diced tomatoes and green chiles. Prepared ahead of time and baked to golden perfection, it’s an easy and satisfying way to start your day with a savory Tex-Mex twist.
Ingredients
Meat and Seasoning
- 1 lb lean ground beef
- 1 (1-oz) package taco seasoning
- â…” cup water
Bread and Cheese
- 6 slices white bread
- 1½ cups shredded cheddar cheese
Egg Mixture
- 5 large eggs
- 2 cups half-and-half
- ½ tsp salt
- 1 (10-oz) can Rotel diced tomatoes and green chiles, undrained
Instructions
- Cook the Ground Beef: In a large skillet over medium heat, cook the ground beef until it is no longer pink, about 7-10 minutes. Drain off any excess fat. Return the beef to the skillet, add the taco seasoning packet and â…” cup of water. Stir to combine, then simmer for 5 minutes until most of the liquid has absorbed. Remove from heat and set aside.
- Prepare the Bread Base: Butter both sides of each white bread slice then cut the slices into cubes. Place the bread cubes evenly in a 9×13-inch baking dish. Spread the seasoned taco meat over the bread, then sprinkle the shredded cheddar cheese evenly on top.
- Mix the Egg Mixture: In a mixing bowl, whisk together the eggs, half-and-half, and salt until smooth. Stir in the entire can of undrained Rotel diced tomatoes and green chiles. Pour this egg mixture evenly over the layered bread, meat, and cheese in the baking dish. Cover the dish with plastic wrap or foil and refrigerate for at least 8 hours, or overnight, to allow the flavors to meld and the bread to soak.
- Bake the Casserole: Preheat your oven to 350°F (175°C). Remove the casserole from the refrigerator and discard the cover. Bake uncovered in the preheated oven for 40 to 50 minutes, or until the casserole is set in the center and the top is lightly golden brown. Let cool slightly before serving.
Notes
- Make sure to refrigerate the assembled casserole overnight to allow for the bread to absorb the egg mixture thoroughly, which will result in a moist and flavorful dish.
- Use lean ground beef to reduce fat content and avoid excess grease in the casserole.
- Feel free to substitute white bread with whole wheat bread for a healthier twist.
- If you want extra heat, add chopped jalapeños or use a spicy taco seasoning.
- This casserole can be made ahead and reheated in the oven or microwave for convenient breakfasts throughout the week.

