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

Mix all ingredients together. Drop by large tablespoonfuls onto ungreased cookie sheet and bake at 425 degrees for 7-8 minutes.

FILLING:

1 c. white shortening (Crisco)
1 c. confectioners' sugar
1 1/2 c. marshmallow creme
1 tsp. vanilla

Beat all ingredients until light and fluffy. Spread on cooled cakes.