Brown the ground beef, drain the grease.

Add taco seasoning to taste with 1/2 C. Water.

Make shells and cheese according to directions on the box.

Mix the taco meat and shells & cheese together and pour into baking pan.

Empty 1/2 of the bag of cheese over the mixture, spread out evenly.

Take half of the bag of doritos out, crush half of them, and pour over the cheese evenly.

Cover the doritos with the remaining cheese.

Bake at 350° until the top is melted and browning.