1 pkg. Pillsbury crescent rolls
1 lb. ground beef, browned
1 pkg. taco seasoning
1 c water
1 1/2 c. Doritos, crushed
8 oz. sour cream
Taco sauce or salsa

Flatten rolls in bottom of 9 inch pan. Brown ground beef, add taco seasoning and cup of water. Layer crushed Doritos on crust, meat mixture, sour cream on meat, 1 cup shredded cheese, then rest of crushed Doritos. Bake at 375 degrees for 20 to 25 minutes. Top with shredded lettuce and taco sauce or salsa.