Mash a 14 oz. can of pinto beans.  Stir with 1/3 cup mayonnaise, 1 cup grated cheddar cheese, 1 crushed garlic clove and 1 to 2 tsp. finely chopped jalapeno peppers.  Spoon into a small baking dish.  Bake at 350 degrees until bubbling, about 20 min.
Makes 2 1/2 cups.