Heat oven to 400 degrees. Heat margarine and half cup of the chocolate chips in 1 litre saucepan over low heat, stirring frequently, until melted; remove from heat and cool. Mix remaining chocolate chips, the melted chocolate mixture and remaining ingredients except marshmallows. Drop dough by rounded teaspoonfuls about 5 cm apart onto ungreased cookie sheet. Press 1 marshmallow in center of each Bake about 8 minutes or until almost no indentation remains when touched. Immediately remove from cookie sheet. Cook on wire rack. Makes about 4 dozen cookies. Gold Medal Cookies and Bars cookbook