The Best EASY Mexican Casserole Recipe Made With Ground Beef & Doritos

A hand holding a spoon with a scoop of casserole on it above a casserole dish filled with the taco casserole.

5 from 2 reviews

This Mexican casserole recipe is packed with flavor. It combines layers of taco-seasoned ground beef and veggies, topped with sour cream, crunchy Doritos, and melty shredded cheese. Plus, it's super easy to prepare in just 15 minutes!



10 oz. Doritos

1 tbsp. Oil

½ Onion, diced

½ Green Bell Peppers, diced

1 tbsp. Jalapeño Pepper, diced

1 lb. Ground Beef

½ Red Bell Peppers, diced

¼ cup Taco Seasoning

10 oz. Canned Tomatoes, drained

1 cup Sour Cream

4 cups Cheddar Cheese

¼ cup Cilantro, chopped


  1. Preheat the oven to 350°F (180ºC).
  2. Heat a non-stick skillet to medium-high and add the oil. Add the onion, red bell pepper, and jalapeño pepper. Cook for 7 minutes, or until the onion starts to get translucent.
  3. Add the ground beef, breaking it apart while it browns to cook.
  4. Add the green bell pepper, taco seasoning, and tomatoes. Mix and cook everything for a couple more minutes.
  5. Grease a baking dish with cooking spray. Break half of the Doritos in the bottom of the tray.
  6. Top with half of the ground beef/veggie mixture, half of the sour cream, and half of the cheddar cheese. Create another layer of each, finishing with the cheddar cheese on top.
  7. Bake for 20 minutes or until bubbly.
  8. Serve with fresh cilantro.


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