Ingredients:
 

1 cup plum jam
1 tablespoon vinegar
1 teaspoon onion powder
1/4 teaspoon ginger powder
1/4 teaspoon allspice
1 pinch of garlic salt
1/3 - 1/2 cup of water (depending on how thick the jam is)

Directions:

Mix the ingredients together well. Bring to a boil on low heat. Cool the sauce and store in a jar in the refrigerator. Use within a few days.