Add the brown sugar, bourbon, soy sauce, fresh grated ginger, lime juice, minced garlic, and black pepper in a medium bowl. Mix well. Pour into a zipper sealed bag, or a shallow dish that you can cover.
4 tablespoon brown sugar, 4 tablespoon bourbon, 3 tablespoon soy sauce, 1 tablespoon ginger, 2 tablespoon fresh lime juice, 3 cloves garlic, ¼ teaspoon black pepper