What is a sandwich cookie?

A sandwich cookie is a cookie that consists of two cookies joined together with a filling. The filling can be anything from cream and jam to chocolate and fruit.

Here are some examples of sandwich cookies:

* Oreos: These classic cookies have a chocolate cookie base with a creamy vanilla filling.

* Nutter Butters: These cookies have a peanut butter filling sandwiched between two buttery cookies.

* Biscoff: These cookies have a unique caramel and cinnamon flavor and are often filled with a creamy caramel.

* Girl Scout Samoas: These cookies have a toasted coconut cookie base with a caramel filling and a chocolate topping.

Sandwich cookies are a popular treat and can be found in a wide variety of flavors and fillings. They are often enjoyed as a snack, dessert, or part of a larger meal.