1 (8 oz.) tube crescent rolls
1 (14 to 15 oz.) pkg. taco or nacho chips, crushed
1 to 1 1/2 lb. hamburger, browned
8 oz. sour cream
1 pkg. taco seasoning mixed with water as per pkg.
Shredded mozzarella cheese or cheddar cheese
Shredded lettuce
Chopped tomato
Taco sauce

Press roll dough into 9 x 13 pan. Place 1/2 of chips on top and press into dough. Mix hamburger, sour cream and taco seasoning and spread on chips. Sprinkle with cheese and top with remaining chips. Bake for 30 minutes at 350 degrees. Top with lettuce, tomato and sauce.