Easy Mexican taco lasagna takes the best parts of taco night and puts them in one baking dish: seasoned beef, tender corn tortillas, tomatoes, salsa, and a little melted cheese. There are no noodles to boil and no tortillas to roll. Once the beef is cooked, the oven handles the rest.
This is a simple, shallow casserole with two tortilla layers and a beef filling in between. The tortillas soften in the tomato juices, while the salsa keeps the top from drying out. Give it a few minutes to settle before serving, then add whatever toppings sound good that evening.
Why you’ll love this taco lasagna
- Six main ingredients. A short shopping list makes this an easy dinner to plan.
- Simple assembly. Overlap the tortillas, spread the filling, and finish with salsa and cheese.
- You choose the heat. Mild salsa and seasoning keep it gentle; hotter versions give it more kick.
- Useful leftovers. Cut the remaining casserole into portions for an easy lunch the next day.
Ingredient notes
The printable recipe below includes all the measurements. Here’s what to look for when choosing your ingredients.
- Lean ground beef: Break it into small crumbles so it spreads evenly between the tortillas. Drain excess fat before adding the tomatoes.
- Taco seasoning: One 1-ounce packet seasons the filling. Choose mild or spicy to suit your table. The tomatoes provide the liquid here, so you don’t need to add the water listed on the seasoning packet.
- Diced tomatoes: Use the tomatoes with their juices. That moisture softens the bottom tortilla layer. If the filling looks watery, simmer it briefly rather than draining away all the juice.
- Corn tortillas: Small, soft tortillas give the casserole its corn flavor. Cut some in half to fit along the sides of the pan.
- Salsa: A chunky red salsa works well. Stir the jar before measuring so you get both the solids and liquid.
- Colby cheese: The half cup in this recipe gives a light cheesy finish. Cheddar or a Mexican-style blend also works.
How to make Mexican taco lasagna
1. Cook the beef filling
Heat the oven to 350°F and lightly grease a 9×13-inch baking dish. Brown the beef in a large skillet, breaking up any big pieces. Cook ground beef to 160°F, then drain the excess fat.
Stir in the taco seasoning and undrained tomatoes. Simmer for about 3 minutes, or a little longer if needed. You want a moist filling that can be spread with a spoon, without a pool of thin liquid around it.
2. Fit the bottom tortilla layer
Arrange five tortillas across the bottom of the dish. Overlap them slightly and cut a few into halves as needed to cover the corners. There’s no need to make a perfect pattern; the goal is an even base without thick piles of tortilla in the middle.
3. Spread the filling
Spoon all the beef and tomato mixture over the tortillas. Spread it right out to the edges so each serving gets filling. Keep this as one even layer rather than dividing it into several thinner layers.
4. Add the top layer
Cover the filling with the remaining five tortillas, cutting them to fit as before. Spread the salsa over the top, paying attention to exposed edges, then scatter the shredded cheese evenly across it.
5. Bake, rest, and serve
Bake uncovered for 20–30 minutes, until the cheese has melted and the filling is bubbling around the edges. If the tortillas start looking dry before the center is hot, loosely cover the dish with foil.
Let the casserole rest for 10 minutes. It will still be soft, but that pause helps the filling settle so it’s easier to lift out. Cut into six portions and use a wide spatula to serve.
A few tips for better layers
Keep some moisture in the filling. Dry taco meat won’t soften the tortillas properly, but a soupy filling can leave them soggy. A brief simmer lets you adjust the texture before assembly.
Cover the top with salsa. Bare tortilla edges can become tough in the oven. Spread the salsa thinly across the whole surface before adding the cheese.
Keep the toppings separate. Add sour cream, avocado, shredded lettuce, or chopped tomatoes to individual servings after baking.
Easy swaps
Ground turkey can replace the beef; cook it to 165°F before layering. For extra heat, use hot salsa or pepper Jack cheese. Flour tortillas are another option, although they give the casserole a softer, more doughy texture than corn tortillas.
For a meatless variation, replace the beef with well-drained black beans and sautéed peppers. Simmer them with the seasoning and tomatoes until the filling is moist but not watery.
What to serve with it
A crisp salad or a side of beans is plenty alongside this casserole. Put extra salsa and sour cream on the table so everyone can finish their own plate. For another tortilla-based dinner, try these cream cheese chicken enchiladas.
Storage and reheating
Refrigerate leftovers in shallow, covered containers within 2 hours of cooking. Keep them in the refrigerator for 3–4 days. You can also freeze wrapped portions for up to 2 months for best quality.
Thaw frozen portions overnight in the refrigerator. Reheat covered in a 350°F oven, or microwave individual portions until the center reaches 165°F. A small spoonful of salsa helps if the tortillas look dry.
Frequently asked questions
Can I prepare it ahead?
Yes. For the best tortilla texture, cook the filling ahead and refrigerate it promptly, then assemble the casserole close to baking time. Cold filling will need extra oven time; check that the center reaches 165°F.
Do the tortillas need to be fried first?
No. They go straight into the pan and soften as the casserole bakes. If they crack while you arrange them, fit the pieces together and carry on.
Why is my taco lasagna falling apart?
This is a tender tortilla casserole, so it won’t slice as firmly as a thick pasta lasagna. Too much liquid or serving it straight from the oven can also make the layers slide. Simmer a watery filling before assembly and allow the baked dish to rest.
Easy Mexican Taco Lasagna recipe
The recipe card has the ingredient amounts and complete instructions for this six-ingredient dinner.
Easy Mexican Taco Lasagna
Equipment
- 1 9×13-inch baking dish
- 1 Large skillet
- 1 Wide serving spatula
Ingredients
- 1 pound lean ground beef
- 1 packet taco seasoning 1 ounce; mild or spicy
- 1 can diced tomatoes 14 ounces, undrained
- 10 soft corn tortillas 6-inch; divided
- 1 cup red salsa chunky; mild or spicy
- 1/2 cup shredded Colby cheese or cheddar or a Mexican-style cheese blend
Instructions
- Preheat the oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
- Cook the ground beef in a large skillet over medium-high heat, breaking it into small crumbles, for about 6–8 minutes, or until cooked through to 160°F (71°C). Drain excess fat.
- Stir in the taco seasoning and diced tomatoes with all their juices. Simmer for about 3 minutes, or until the mixture is moist and spoonable without excess thin liquid. Do not add the water listed on the seasoning packet.
- Arrange five tortillas over the bottom of the dish, slightly overlapping. Cut some into halves as needed to cover the edges and corners without making thick stacks.
- Spread all the beef and tomato mixture evenly over the bottom tortilla layer, reaching the edges of the dish.
- Arrange the remaining five tortillas over the filling, cutting them to fit. Spread the salsa over the entire top tortilla layer, then evenly sprinkle with the shredded cheese.
- Bake uncovered for 20–30 minutes, until the center is hot, the filling bubbles around the edges, and the cheese has melted. If the tortilla edges dry before the center is hot, loosely cover with foil.
- Let the casserole rest for 10 minutes. Cut into six portions and serve with a wide spatula. Add optional taco toppings to individual servings.
Notes
More easy dinners to try
If you enjoy layered casseroles, try ground beef burrito casserole for another taco-night dinner, or one pot Mexican rice casserole when you want a skillet meal.
Which topping would you add first: sour cream, extra salsa, or avocado? Share your choice in the comments, and let other readers know how the recipe turned out.
