Mary Jane'S Bean Dip
["1 lb. ground round", "1 medium onion", "3/4 c. taco sauce", "1 (15 oz.) can refried beans", "1 c. Cheddar cheese", "1 c. Mozzarella cheese"]
["Brown ground round and onion.", "Add beans and taco sauce; put in casserole dish.", "Top with Cheddar cheese, then Mozzarella cheese.", "Bake at 250\u00b0 for 20 minutes."]
["ground round", "onion", "taco sauce", "beans", "Cheddar cheese", "Mozzarella cheese"]