Parle Toast Premium Rusk is a type of twice-baked biscuit that is known for its crisp and crunchy texture. Rusk is made by baking bread dough until it becomes dry and firm, and then it is sliced and baked again to achieve its characteristic crispness.Parle Toast Premium Rusk is known for its crispy and crunchy texture, making it a delightful snack to enjoy with tea or coffee.Rusk can be eaten as is or dipped in tea, coffee, milk, or other beverages, softening it and enhancing its flavor. Some varieties of rusk may be lightly sweetened, providing a touch of sweetness without being overly sugary.