Sweet Rub Ingredients ¼ cup dark brown sugar 1 Tablespoon coarse sea salt 2 teaspoons cracked black pepper 2 teaspoons smoked paprika (hot or mild, whichever you prefer) 2 teaspoons garlic powder 2 teaspoons onion powder 1 teaspoon ground mustard ½ teaspoon cayenne pepper Instructions Mix. Combine all of the ingredients for the rub in a small bowl. Stir well to combine, using a fork to break up any clumps. Use or store. Store BBQ sweet rub in an airtight container. This rub will last in your cupboard for up to a month.