Anastasia's Best-Ever Baked Beans

Ingredients 5 cans of pork and beans (15 ounce cans – VanCamps’s Pork and Beans or similar) 2 medium or 1 large onion, chopped (yellow or sweet onion, not vidalia) 1 to 2 tablespoons butter (for sauteing onions) 3/4 cup ketchup Click here for more ingredients and directions