EASTERN NORTH CAROLINA BBQ SAUCE (NO KETCHUP BASED SAUCE HERE!)

EASTERN NORTH CAROLINA BBQ SAUCE (NO KETCHUP BASED SAUCE HERE!) 1 cup white vinegar 1 cup cider vinegar 1 tablespoon brown sugar 1 teaspoon cayenne pepper (or more if you like it VERY HOT) 1 tablespoon hot pepper sauce or to taste 1 teaspoon kosher salt 1 teaspoon ground black pepper 1 tablespoon Dijon mustard (optional and very controversial) Combine the white vinegar, cider vinegar, brown sugar, cayenne pepper, hot pepper sauce, salt and pepper (and mustard, if using) in a jar or bottle with a tight-fitting lid. Refrigerate for 1 to 2 days before using so that the flavors will blend. Shake occasionally, and store for up to 2 months in the refrigerator. Heat the sauce slightly, drizzle over pork, and serve in soft hamburger style buns.