Combine dry ingredients except sugar and set aside. Mix sugar and butter, blend well- add eggs and vanilla. Combine with flour mixture. Add chips and nuts. Batter will be very stiff. Take 4 frozen marshmellows in hand-Take a heaping tablespoon of dough, wrap dough completely around marshmellows. Place 2 inches apart on ungreased pan. Bake at 400 for 8-10 min.