In a medium resealable bag, combine pork, soy sauce, garlic, sugar, salt, and pepper. Mix well and then marinate overnight inside the fridge.
1 lb. pork loin, 2 teaspoons garlic, 3 tablespoons soy sauce, ½ teaspoon granulated white sugar, 1/2 teaspoon salt , 1/4 teaspoon ground black pepper