Mix all ingredients except M&M's. Spoon by teaspoonful onto ungreased cookie sheet. Put 3 M&M's candies on each cookie to give monster face. Bake 12 minutes at 350°F. Don't overbake.
Mix in order given using ... well blended. Form cookies -- I use large mixing spoon for monster size. Bake at 350 degrees ... to bind everything together.