1/2 c. butter
1 c. sugar
1 egg
1/2 tsp. vanilla
1/2 c. milk
1/2 tsp. baking soda
1/2 tsp. salt
1/2 c. cocoa
1 1/3 c. flour

Mix and drop on cookie sheets. Bake at 375 degrees for 8 minutes. Remove from oven, and put 1/2 marshmallow on each cookie top and return to oven for about 4 minutes. Don't let marshmallow melt. Frost with Chocolate Glaze.

CHOCOLATE GLAZE:

1/2 c. cocoa (not quite so much)
1/3 c. butter, melted
3 tbsp. boiling water
1 1/3 c. powdered sugar

Mix together.