1 lb. hamburger, fried
1 (1 1/4 oz.) pkg. taco seasoning
1 can refried beans
1 (8 oz.) carton sour cream
1 (8 oz.) jar taco sauce
8 oz. Cheddar cheese
Tortilla chips

In a bowl, combine hamburger, refried beans and taco seasoning mix. Put mixture in bottom of 9x13 inch pan. Spread sour cream on top, then spread taco sauce on top of that. Sprinkle Cheddar cheese over top. Bake 15-20 minutes at 350 degrees or until cheese melts. Serve with tortilla chips.