South Carolina Barbecue Sauce

South Carolina Barbecue Sauce

Ingredients:
mustard, prepared, yellow
vinegar, cider
sugars, brown
spices, pepper, red or cayenne
butter, without salt

Directions:
Whisk together all ingredients except the butter in a medium saucepan, bring to a simmer, then reduce heat to low.
Whisk in butter, turn off heat and allow to stand and thicken.
When sauce comes to room temperature, transfer to a container with a tight lid and keep refrigerated until ready to use.
Will keep for up to a week.