The most common citrus peels used in mixed peel are orange, lemon, and grapefruit. These peels are candied by boiling them in a sugar syrup until they become tender and translucent. The candied peels are then cut into small pieces and mixed together. Mixed peel can also contain other ingredients, such as spices, nuts, and dried fruits.
Mixed peel is a versatile ingredient that can add flavor and texture to a variety of desserts. It is also a good source of vitamins and minerals, including vitamin C, potassium, and fiber.