Root Beer BBQ Sauce

2 L root beer
1 ½ cups vinegar
½ cup ketchup
½ cup yellow mustard
2 tbs worcestershire sauce
1 tsp salt
1 tsp pepper
2 tbs butter
In a large saucepan, heat root beer on a low simmer until reduced to about a cup. Stir in all the remaining ingredients except the butter. Continue to simmer for about 20 minutes. Then whisk in butter to thicken up the sauce.



Read more: "Root Beer Recipes: Some delightful baked treats to make with root beer" - http://beverage-recipes.suite101.com/article.cfm/root_beer_treats#ixzz090Mw4uIm