S.C Mustard-style BBQ Sauce

Ingredients

1 cup prepared yellow mustard
1/2 cup balsamic vinegar
1/3 cup brown sugar
2 tablespoons butter
1 tablespoon Worcestershire sauce
1 tablespoon lemon juice
1 teaspoon cayenne

Mix all ingredients together and simmer over a low heat for 30 minutes.

For best results, make 2 days ahead of time. Store in refrigerator. Yields about 2 cups.