Sandwich cookies consist of two cookies placed together with a filling in between. The filling is often cream-based, chocolate-flavored, or vanilla-flavored, creating a contrast between the crisp cookies and the smooth center.

These cookies come in many shapes and flavors. Chocolate cookie layers with vanilla filling are among the most widely recognized versions, but many varieties exist.

Sandwich cookies are often enjoyed as snacks or desserts and may be eaten on their own or dipped in beverages such as milk or coffee.