1 lb. hamburger
1 (15 oz.) can tomato sauce
1 env. taco seasoning mix
1 (16 oz.) can refried beans
2 1/2 c. corn chips
1/2 c. Cheddar cheese, shredded

Put meat in 1 1/2-quart casserole. Cook 3 or 4 minutes, until meat is cooked; drain. Add all ingredients, but chips and cheese. Cook on high for 5 minutes. Sprinkle chips and cheese over casserole. Heat until cheese melts.