An ice cream sandwich is a popular dessert that consists of a layer of ice cream placed between two cookies or cake pieces. The cookies can be made from various ingredients, including chocolate, vanilla, or even oatmeal, providing a range of flavors and textures. Ice cream sandwiches are often enjoyed as a refreshing treat during warm weather. They can be homemade or purchased from stores and ice cream trucks. Some variations include using brownies or wafers instead of traditional cookies, allowing for creative combinations and unique tastes.