To a pan add the cola, spices, apple cider vinegar, water, then the molasses.
16.9 ounces cola, 1 cup water, 1/4 cup coarse kosher salt, 2 tablespoons garlic powder, 1 teaspoon onion powder, 1/4 teaspoon black pepper, 2 tablespoons apple cider vinegar, 1/4 cup dark molasses