Ingredients

6 tablespoons unsalted butter, softened 

2 cups confectioners' sugar 

1 box chocolate wafers (9 ounces) 

Preparation

In the bowl of an electric mixer, beat butter until smooth. Add confectioners’ sugar; beat until light and fluffy. Divide mixture among small bowls, using one for each flavor. Stir in desired flavorings to taste, thinning with milk if needed.

Spread half a box of chocolate wafers with a small amount of filling; top with remaining cookies. Press gently to spread filling to the edges.