PREHEAT oven to 350°F. Microwave unsweetened chocolate and milk in large microwavable bowl on HIGH 2 minutes or until chocolate is almost melted. Stir until chocolate is completely melted.
STIR in remaining ingredients. Drop by heaping teaspoonfuls, 2 inches apart, onto greased baking sheets.
BAKE 10 to 12 minutes or until tops are set. Immediately remove from baking sheets to wire racks. Cool completely.