Quick Baked Beans
["2 (16 oz.) cans pork and beans", "1/4 c. brown sugar, packed", "1/2 tsp. mustard", "1/2 c. ketchup", "2 small onions, chopped"]
["Stir together.", "Put in 7 x 11-inch baking dish.", "Top with bacon, if desired.", "Bake at 350\u00b0 for 1 hour."]
["pork", "brown sugar", "mustard", "ketchup", "onions"]