HalfSmoke, this is the one I use most often, easy, tasty and keeps.
Donair Sauce
2/3 cup canned sweetened condensed milk 1 can
1/4 cup white vinegar 3/8C
1/2 tsp garlic powder 3/4t
Mix using a whisk until it thickens, store in fridge until ready to use.
Enjoy.