Mama'S Best Barbecue Sauce
["1 c. butter", "1 large onion, chopped", "1 bottle ketchup", "1 Tbsp. Worcestershire sauce", "1 c. brown or white sugar", "1 Tbsp. mustard", "dab of liquid smoke", "water (to less thicken)", "salt and pepper to taste"]
["Saute butter and onion.", "Pour in ketchup, liquid smoke and the rest of the ingredients.", "Cook on low for at least 30 minutes.", "To less thicken, add a little water.", "Use just a \"dab\" of liquid smoke, or you will ruin it.", "You'll never buy bottled again!"]
["butter", "onion", "ketchup", "Worcestershire sauce", "brown", "mustard", "liquid smoke", "water", "salt"]