2 tablespoons butter

1 small onion, minced

2 cups ketchup

1/2 cup cider vinegar

1/4 cup water

1/4 cup apple juice

1/4 cup Worcestershire sauce

2 tablespoons brown sugar

2 tablespoons molasses

2 tablespoons honey

2 teaspoons dry mustard powder

1 teaspoon chili powder

1 teaspoon garlic powder

1 teaspoon ground cayenne pepper