This easy Mexican casserole recipe is a hearty 30-to-35-minute dinner made with ground beef, taco seasoning, refried beans, condensed tomato soup, diced tomatoes with green chiles, tortilla chips, and Cheddar cheese. Brown the beef, stir together the creamy, savory filling, layer it over tortilla chips, top with cheese, and bake at 350°F until hot and bubbling.
Every bite brings together seasoned beef, creamy beans, tangy tomato, mild chile flavor, crunchy-soft tortilla chips, and a blanket of melted Cheddar. It is a practical weeknight meal that uses familiar pantry ingredients while delivering the cozy appeal of a baked casserole.
Jump to RecipeWhy You’ll Love This Recipe

This casserole is designed for the kind of evening when you want a filling homemade dinner without a long ingredient list or a complicated cooking process. The beef cooks quickly, the canned ingredients make the sauce easy to assemble, and the oven handles the final step while you prepare toppings or set the table.
The texture is especially satisfying. The center is soft, creamy, and saucy from the refried beans, tomato soup, and tomatoes, while the cheese forms a savory golden layer over the top.
It also serves four to six people, making it useful for a family dinner or a casual gathering. If you enjoy baked comfort food, you may also like this hearty pizza casserole for another family-style dinner idea.
Ingredients You’ll Need

The ingredient list is short, but each item contributes an important part of the casserole’s flavor and texture. Gather everything before cooking so the filling comes together without interruption.
- Ground beef: One pound provides the savory base and hearty texture.
- Taco seasoning: A 1-ounce packet adds the familiar blend of spices without measuring several individual seasonings.
- Refried beans: These make the filling creamy and help hold the layers together.
- Condensed tomato soup: Use it undiluted to create a rich, smooth sauce.
- Diced tomatoes with green chiles: Add the full can, including the liquid, for tomato flavor and mild chile warmth.
- Tortilla chips: An 8-ounce bag creates the bottom layer and gives the casserole its signature corn flavor.
- Cheddar cheese: Two cups melt into a savory, golden topping.
For a slightly different finish, published variations often use Monterey Jack or a Mexican cheese blend instead of Cheddar. Those swaps change the flavor and melt, but the original recipe is made with shredded Cheddar.
If you are planning a full comfort-food menu, pair this dinner with a sweet make-ahead option such as our Bananas Foster French Toast casserole for a future breakfast or brunch.
How to Make It Step-by-Step

Step 1: Heat the oven to 350°F (175°C) so it is ready when the assembled casserole goes into the dish. This moderate temperature warms the filling thoroughly and melts the cheese without requiring a long bake.
Step 2: Place the ground beef in a skillet over medium heat and cook for about 5 to 7 minutes, breaking it into small pieces as it browns. Continue cooking until no pink remains, then drain the excess fat carefully before adding the remaining ingredients.
Step 3: Stir the taco seasoning, refried beans, undiluted condensed tomato soup, and undrained diced tomatoes with green chiles into the skillet. Mix until the beans are incorporated and the filling is evenly combined, then heat it until thoroughly warmed.
Step 4: Spread tortilla chips over the bottom of a 9-by-13-inch baking dish. Arrange them in a fairly even layer, but do not crush them into crumbs because larger, sturdy pieces give the finished dish a more appealing texture.
Step 5: Spoon the hot beef mixture over the chips and gently spread it toward the corners of the dish. Sprinkle the shredded Cheddar evenly over the entire surface so every serving receives a cheesy topping.
Step 6: Bake the casserole uncovered for about 20 minutes, until it is hot and the cheese is melted. Serve immediately while the topping is warm, and add reserved chips at the table if you want extra crunch.
Pro Tips for the Best Texture

The most important preparation detail is draining the beef well. Excess grease can make the casserole feel heavy and watery, which dulls the creamy texture of the beans and tomato-based filling.
Choose sturdy tortilla chips rather than very thin chips that break down quickly. The chips underneath the filling will naturally soften as they bake, so reserving a portion to scatter over each serving gives you a pleasant contrast.
- Break the beef into small, bite-size pieces for an even filling.
- Use the tomato-and-chile liquid as directed; it helps combine the ingredients and keeps the filling moist.
- Spread the cheese to the edges for a consistent melted topping.
- Bake uncovered so the cheese melts directly and the casserole does not become overly steamy.
- Serve as soon as it comes from the oven for the best chip and cheese contrast.
For toppings, set out sour cream, salsa, or sliced green onions. These additions are optional, but their cool, fresh, or tangy flavors balance the warm casserole nicely.
Easy Variations and Serving Ideas
The original version is satisfying as written, but it is also flexible enough for different preferences. You can substitute Monterey Jack or a Mexican cheese blend for the Cheddar if you prefer a different cheese flavor.
Some published variations add onions or black beans. If you include either, keep the core proportions and make sure the filling remains thick enough to sit on top of the chips without becoming runny.
Serve the casserole directly from the baking dish with a spoonful of sour cream, a little salsa, or sliced green onions. A simple green salad or steamed vegetable on the side can round out the meal without competing with the bold, creamy filling.
For another easy skillet-centered dinner, take a look at this easy skillet lasagna. It has the same family-friendly spirit while using a different set of comforting flavors.
Storage and Reheating

This casserole is best served immediately because the tortilla chips soften as they absorb the filling. If you expect leftovers, reserve extra chips separately rather than storing them on top of the casserole.
Cool leftovers promptly, cover the baking dish, and refrigerate them. Reheat individual portions until hot, then add fresh tortilla chips, sour cream, salsa, or green onions just before eating.
Because the recipe contains a creamy tomato-and-bean mixture, stir or portion leftovers carefully so the filling stays distributed. Reheating smaller portions can help prevent the edges from becoming much hotter than the center.
When planning dessert after this savory dinner, a chilled treat such as this easy no-bake pineapple pie offers a refreshing finish.
Frequently Asked Questions
Can I prepare the filling ahead? Yes, the beef mixture can be cooked and combined before assembly. Keep it covered and refrigerated, then layer it with the chips and cheese when you are ready to bake.
Should the casserole be covered while baking? No. Bake it uncovered for about 20 minutes so the Cheddar melts directly over the filling and the top does not become excessively steamy.
Why did my chips become soft? Chips under a moist filling soften during baking, which is expected. For a crunchier bite, use sturdy chips and reserve some to add immediately before serving.
Can I make the flavor milder? The diced tomatoes with green chiles contribute the chile component, so choose a mild variety if available and serve sour cream alongside to soften each bite.
What size dish should I use? Use a 9-by-13-inch baking dish as specified. Its broad surface provides room for an even chip layer, filling, and cheese topping.

Easy Mexican Casserole Recipe
Ingredients
Method
- Heat the oven to 350°F (175°C). Brown 1 pound of ground beef in a skillet over medium heat for about 5 to 7 minutes, breaking it apart as it cooks, until no longer pink. Drain excess fat.
- Stir the taco seasoning, refried beans, undiluted condensed tomato soup, and undrained diced tomatoes with green chiles into the cooked beef. Heat until the mixture is thoroughly combined and warmed through.
- Spread a layer of tortilla chips across the bottom of a 9-by-13-inch baking dish. Keep some chips aside if you want extra crunch at serving time.
- Spoon the beef and bean mixture evenly over the tortilla chips. Sprinkle the 2 cups of shredded Cheddar evenly across the top.
- Bake the casserole uncovered for about 20 minutes, until hot and the cheese is melted. Serve immediately with optional sour cream, salsa, or sliced green onions.
Notes
Final Thoughts
This easy Mexican casserole is a dependable dinner when you want bold flavor, creamy texture, and minimal preparation. In roughly 30 to 35 minutes, a skillet of seasoned beef and pantry ingredients becomes a bubbling casserole with melted Cheddar and tender tortilla chip layers.
Remember the two details that make the biggest difference: drain the beef thoroughly and save some sturdy chips for serving. The first keeps the filling rich but not greasy, while the second brings back crunch after the casserole bakes.
Set out salsa, sour cream, and sliced green onions so everyone can finish a serving to taste. For a sweet follow-up or another pineapple-inspired dessert idea, browse this easy pineapple lush cake.
Keep this recipe in your weeknight rotation whenever you need a warm, crowd-pleasing dinner made from easy-to-find ingredients. It is simple enough for a busy evening and comforting enough to share.