Leftover Pinto Bean Casserole
["2 c. cooked beans", "1 large diced onion", "1 small can tomatoes", "4 slices uncooked bacon"]
["Mix all ingredients. Stir well. Pour into a casserole dish. Bake at 350\u00b0 for 25 to 30 minutes until bacon is done. Serve hot."]
["beans", "onion", "tomatoes", "bacon"]