1 lb. lean ground beef
1/2 med. chopped onion
1 (8 oz.) can tomato sauce
1 env. taco seasoning mix
1/3 c. sliced pitted olives (black)
1 can (8 oz.) crescent rolls
1 c. sour cream
1 c. shredded Cheddar cheese

Brown beef and onion; drain fat. Stir in tomato sauce, seasoning and olives. Separate crescent dough into 8 triangles, place dough in 9 or 10 inch pie pan pressing triangles together to form crust. Precook crust for 10 minutes at 375 degrees.