Step 1

Preheat oven to 375 degrees Fahrenheit.

Step 2

In a large skillet, cook ground beef over medium heat until no longer pink. Drain the liquid.

Step 3

Stir in taco seasoning mix and water. Cook according to directions on package.

Step 4

Transfer the mixture into a greased 11x7-inch baking dish. Top the mixture with Frito chips and cheese. Cover.

Step 5

Bake for 30 minutes or until the meat is fully heated, and the cheese melted. Uncover the baking dish during the last 10 minutes of cooking. Top casserole with tomatoes and lettuce.

Step 6

Serve and enjoy!