1 lb. ground beef
1 env. taco seasoning
1 pkg. crescent rolls
1 c. sour cream
1/2 c. water
1/3 c. sliced black olives
2 c. corn chips
1 c. shredded cheddar

Brown beef and drain. Stir in seasoning, water, and olives; simmer 5 minutes. Form 9x10 crust out of crescents; sprinkle 1 cup corn chips over bottom. Spoon meat over chips; spread sour cream over meat. Cover with cheese and then with corn chips. Bake at 370 degrees for 20-25 minutes.