1 can crescent rolls
1 lb. hamburger
1 pkg. taco seasoning
1/2 c. water
1 c. crushed nacho Doritos
1 c. shredded cheddar cheese
1 (8 oz.) container sour cream
1/2 c. sliced black olives

Brown hamburger, drain and add taco seasoning, water and olives. Simmer 5 minutes while pressing crescent rolls into pie pan. Spread 1/2 of chips over rolls, then hamburger mixture. Top with sour cream, following by cheese and remaining chips. Bake at 375 degrees for 20 to 25 minutes.