1-1 1/2 lbs. ground beef
1 (1 1/4 oz.) pkg. taco or chili seasoning mix
1/2 c. water
1 (8 oz.) can refrigerated quick crescent dinner rolls
1 1/2-2 c. crushed corn chips
1 c. (8 oz. or 1/2 pt.) dairy sour cream
6 slices American cheese or 1 c. (4 oz.) shredded Cheddar cheese
Shredded lettuce (if desired)

Preheat oven to 375 degrees. In a large fry pan, brown ground beef; drain. Stir in seasoning mix, water and simmer 5 minutes. Meanwhile, separate crescent rolls into 8 triangles. Place triangles in ungreased 9 or 10 inch pie pan, pressing to form crust. Sprinkle 1 cup corn chips over crust. Spoon meat mixture over crust and corn chips.

Spread sour cream over meat mixture; cover with cheese. Sprinkle on remaining corn chips. Bake at 375 degrees for 20 to 25 minutes, until crust is golden brown.