1/2 c. softened butter
1 c. sugar
1 egg
1 tsp. vanilla
1 c. milk
2 c. flour
1 1/2 tsp. baking soda
1/2 tsp. baking powder
1/2 tsp. salt
1/2 c. cocoa

Preheat oven to 400 degrees. Grease cookie sheet. Mix all ingredients in order and beat until smooth. Drop on cookie sheet by the teaspoonfuls. Bake for 7 minutes. Cool.

FILLING:

1 1/2 c. shortening or butter
2 c. powdered sugar
1 c. marshmallow whip
2-3 tsp. milk

Cream shortening and sugar, then beat in the rest. Make sandwiches. There is plenty of filling, so be generous.