No Bake Chocolate/Peanut Butter Cookies

1/4 cup butter
3 cups sugar
4 T. cocoa
1/2 cup milk
1/2 cup peanut butter
3 cups oatmeal

In saucepan cook butter, sugar, cocoa and milk until butter melts. Remove from heat. Mix in peanut butter and oatmeal. Drop by spoonfuls onto waxed paper and cool.