1 lb. hamburger
1 (15 oz.) drained pinto beans
1 (10 oz.) can enchilada sauce
1 (8 oz.) can tomato sauce
1 c. shredded Cheddar cheese
1 tbsp. minced onion
1 (6 oz.) pkg. corn chips
1 c. sour cream
1/2 c. shredded Cheddar cheese

Brown hamburger; drain fat. Stir in next 5 ingredients. Set aside 1 cup corn chips. Coarsely crush remaining chips and stir them in mixture. Put in 1 1/2 quart casserole bowl. Bake covered for 30 minutes at 375 degrees.

Spoon sour cream in the middle of casserole. Sprinkle cheese on top of sour cream and add chips around the edge. Bake uncovered 3 to 5 minutes. Serves 6