Name: Cheesy Taco Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Ingredients: 1/2 tbsp butter; 1 lb ground beef; 1 medium onion, diced; 2 jalapeño peppers, seeded and diced; 1/2 tsp salt; 1/2 tsp black pepper; 1/2 tsp garlic powder; 1 packet (about 1 oz) taco seasoning; 3/4 cup water; 1 (14.5 oz) can diced tomatoes, undrained; 1 (16 oz) can refried beans; 1 (14.5 oz) can Rotel (diced tomatoes with green chilies); 1 (15 oz) can kidney beans; 1 1/4 cups corn chips, crushed; 2 cups shredded cheese; Shredded lettuce, chopped tomatoes, sliced black olives, and sliced green onion, for serving

Crushed corn chips go into the bottom of this taco casserole first, pressed into a crust before anything wet touches them. Everything stacked on top is already cooked, so the taco casserole needs only 15 minutes at 375°F.

The beef browns with a diced onion and two jalapeños. Then taco seasoning, water, and a can of diced tomatoes go in, juice and all.

I keep an eye on the skillet at that stage. When a spoon dragged through the beef leaves a path that stays open for a second, it’s thick enough to layer.

A separate bowl holds the beans, refried and kidney, stirred together with a can of Rotel. Two cups of cheese cover the top, and the cold toppings wait for the table.

Prep: 15 minutes · Cook: about 30 minutes (stovetop, plus 15 minutes in the oven) · Total: about 45 minutes · Serves: 8 (one 9 x 13 dish cut into 8 squares)

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How long do you bake taco casserole?

Bake it at 375°F for 15 minutes. The beef, beans, and tomatoes are all cooked or canned before they go in, so the oven only has to heat the layers through and melt the cheese. Pull it when the cheese has melted completely and the edges bubble.

The Method, in Plain English

Slice Of Life bakes this at 375°F for just 15 minutes, which is enough because every layer is cooked before it goes in. The Recipe Rebel’s tortilla version of the same idea stops at the same point, once it’s heated through and the cheese is melted.
Stirring the refried beans, Rotel, and kidney beans together in their own bowl turns them into one thick spread, so the bean layer goes on in a single, even pass.
One packet of taco seasoning per pound of beef is the ratio two of the chip versions use, and it seasons the meat without any extra measuring.

I spread the beans with the back of a spoon, starting in the middle and pushing out toward the corners. That way the chips stay where I pressed them.

What Makes This Taco Casserole Special

The oven time is only 15 minutes, since everything is cooked before it goes in.
The shopping list is mostly cans and a bag of corn chips.
One skillet and one mixing bowl handle all the prep before the baking dish.
Everyone piles on their own cold toppings at the table.

Grab These Ingredients

1/2 tbsp butter
1 lb ground beef
1 medium onion, diced
2 jalapeño peppers, seeded and diced
1/2 tsp salt
1/2 tsp black pepper
1/2 tsp garlic powder
1 packet (about 1 oz) taco seasoning
3/4 cup water
1 (14.5 oz) can diced tomatoes, undrained
1 (16 oz) can refried beans
1 (14.5 oz) can Rotel (diced tomatoes with green chilies)
1 (15 oz) can kidney beans
1 1/4 cups corn chips, crushed
2 cups shredded cheese
Shredded lettuce, chopped tomatoes, sliced black olives, and sliced green onion, for serving

A Few Notes on the Ingredients

Corn chips make the crust, and 1 1/4 cups gives a thin, even layer across the bottom of a 9 x 13. Two of the other versions use about 2 cups of crushed tortilla chips per pound of beef, so go that way if you want a thicker base.

The recipe only says shredded cheese. The other versions use a Mexican blend or cheddar, and either one melts into a smooth layer over the beef.

Leave the diced tomatoes undrained, because their juice and the 3/4 cup of water become the sauce for the beef. The Rotel brings the green chilies, and seeding the jalapeños keeps the heat on the mild side.

Let’s Make It

Heat the oven. Heat the oven to 375°F and set out a 9 x 13 baking dish. Get the oven going first so it’s fully preheated by the time the layers are built, since the bake itself is short.
Brown the beef. Melt the butter in a large skillet over medium-high heat. Add the beef, onion, jalapeños, salt, pepper, and garlic powder, breaking the meat apart with a spoon, until no pink remains and the onion is soft and translucent.
Season and simmer. Stir in the taco seasoning, water, and diced tomatoes with all their juice. Let it bubble gently, stirring now and then, until a spoon dragged through the pan leaves a path that holds for a second before the sauce closes in.
Mix the beans. In a mixing bowl, stir the refried beans, Rotel, and kidney beans together. Keep stirring until the refried beans loosen and everything turns into one thick, even mixture with no stiff clumps left in it.
Press the chip crust. Crush the corn chips over the bottom of the baking dish and press them down with your palm or the bottom of a measuring cup. Stop when the bottom is covered in a flat, even layer.
Spread the beans. Spoon the bean mixture over the chips in dollops, then spread it gently out to the corners with the back of a spoon. Go slowly so the chips stay put, until the crust is fully covered.
Add the beef and cheese. Spoon the beef mixture evenly over the beans, then scatter the 2 cups of cheese over the top. Push the cheese right out to the edges of the dish until no meat shows through.
Bake. Bake at 375°F for 15 minutes, until the cheese has melted completely and the filling bubbles at the edges of the dish. If the cheese still looks like separate shreds, give it a few more minutes.
Top and serve. Cut into squares and lift them out with a wide spatula. Pile cold lettuce, tomatoes, olives, and green onion on each serving at the table, while the cheese underneath is still soft and stretchy.

What I’ve Learned Making This Taco Casserole

Don’t bake the lettuce or fresh tomatoes. They wilt in the heat, so they go on at the table.
Ground beef needs to be cooked until no pink is left anywhere in the skillet before the seasoning goes in.
Wholesome Bites lists ground turkey in place of the beef, and it splits the cheese between the inside and the top if you’d like some melted through the middle.
A spoonful of sour cream on each square is a common finish, and it’s one I’m happy to add.
Wash your hands after seeding the jalapeños, and don’t touch your eyes until you have.
I’m not fussy about the cheese. Whatever shredded bag is in the fridge is what goes on top.

Storage and Make-Ahead

The recipes I worked from don’t cover leftovers, freezing, or making this ahead. So I don’t have tested times to give you, and I’d rather say so than guess.

What I do is simple. Cool the leftovers, cover the dish, and get it into the fridge, with the cold toppings stored separately so the lettuce stays crisp.

To serve leftovers, warm a square until it’s hot all the way through and the cheese melts again. I can’t promise how the chip crust holds up after a night in the fridge, since none of the sources say.

A fresh handful of crushed chips on the side brings back some crunch.

Rounding Out the Meal

A crisp green salad with a lime dressing, which brings something cool and sharp next to the rich cheese.
Sliced avocado or guacamole, for a creamy, mild bite against the jalapeños.
Extra corn chips and salsa on the side, for scooping up anything left in the dish.
Sweet corn on the cob in summer, which plays off the corn chip crust.

Tools You’ll Need

A large skillet with enough room to break up a pound of beef and simmer the sauce.
A 9 x 13 baking dish, the size the layers are built for.
A mixing bowl for stirring the beans together.
A wide spatula for lifting out squares without leaving the crust behind.

Common Questions

Do you drain the fat for taco casserole? The recipe doesn’t say either way. If a lot of fat pools in the skillet after browning, I spoon some of it off before the seasoning goes in.

Can I use tortillas instead of chips? That’s a different casserole. The Recipe Rebel layers tortillas with the beef and cheese and bakes it at 350°F for 15 to 20 minutes, until it’s heated through and the cheese is melted.

What size dish does taco casserole need? A 9 x 13 baking dish. The chips, beans, beef, and cheese are measured to fill that size in even layers.

How many people does it feed? The recipe doesn’t give a count. A 9 x 13 cuts neatly into 8 squares, and I serve one square per plate with toppings.

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