1/2 c. butter
1/2 c. peanut butter
1 1/4 c. sugar
2 eggs
1 1/2 tsp. vanilla
1/3 c. milk
2 c. flour
1/2 c. cocoa
2 tsp. baking powder
1/2 tsp. salt

ICING:

1/3 c. cocoa
1/3 c. hot coffee
1/3 c. butter
1 tsp. vanilla
3 c. powdered sugar

Cream together butter, peanut butter, and sugar. Add eggs, vanilla and milk. Beat well. Mix flour, cocoa, baking powder and salt with the creamed mixture. Drop by teaspoonfuls onto ungreased cookie sheet. Bake in a 375 degree oven for 8 minutes.

Remove from oven and drop one miniature marshmallow in center of each cookie. Return to oven for 3 minutes. Remove from oven. Blend ingredients of icing. Spread icing over cooled cookie.