Combine all ingredients in a medium saucepan. Bring to a boil, stirring often.
¾ cup dark brown sugar, 1 teaspoon Dijon mustard, ½ cup ketchup, 1 cup store-bought BBQ sauce, ¼ teaspoon Worcestershire Sauce, ⅛ teaspoon grated nutmeg, ⅛ teaspoon crushed red pepper flakes
Allow to cool, and store in an airtight container or jar in the refrigerator.
Enjoy!
Notes
Yield: This recipe makes approx. 1⅔ cups of sauce. A serving is ⅓ cup.