Ingredients

1 cup butter, softened2 cups sugar2 large eggs1 teaspoon vanilla extract3 cups all-purpose flour2/3 cup baking cocoa1 teaspoon baking soda1 teaspoon salt1/2 cup whole milkFILLING:1/2 cup butter, softened1-1/2 cups confectioners’ sugar1 cup marshmallow creme1 teaspoon vanilla extract

Preparation

In a large bowl, cream butter and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Beat in vanilla. Combine the flour, cocoa, baking soda and salt; gradually add to creamed mixture alternately with milk, beating well after each addition. Refrigerate for at least 2 hours.

Drop by rounded teaspoonfuls 2 in. apart onto greased baking sheets. Bake at 375° for 10-12 minutes or until edges are set. Remove to wire racks to cool.

In a small bowl, combine filling ingredients ; beat until smooth. Spread on the bottoms of half of the cookies; top with remaining cookies. Store in the refrigerator.