Add the ketchup, light brown sugar, pineapple juice, crushed pineapple, Worcestershire sauce, bourbon, molasses, black pepper, granulate garlic, onion powder, chili powder and salt. Whisk to combine.
1 cup ketchup, 1½ cups light brown sugar, 3/4 cups pineapple juice, 1/2 cup crushed pineapple, 1 tablespoon Worcestershire Sauce, 1/2 cup bourbon, 1/4 cup molasses, 1/2 teaspoon black pepper, 1/2 teaspoon granulated garlic, 1/2 teaspoon onion powder, pinch red pepper flakes, 1 teaspoon salt, 1/2 teaspoon dried parsley