heat oven to 350 . Combine flour,sugar,butter,cocoa,baking soda,salt,eggs,milk and vanilla in large .Beat at medium speed until blended batter will be stiff .Form dough into 1 1/4 inch balls .Place on ungreased cookie sheet flatten slightly.
bake 10 to 13 minutes.Cool slightly remove from cookie sheet to wire rack till cool.
PEANUT BUTTER FROSTING. 1 cups peanut butter, 1/2 butter softed, 4 to 5 tablespoons milk as needed. 3 cups confectioner sugar , Mix butter and peanut butter together in med bowl.Beat with mixer gradually mix in the sugar,and mix in the milk 1 tablespoon at a time till frosting is spreadable .Mix for 3 min .till fuffy.