MICROWAVE margarine in large microwaveable bowl on HIGH 20 sec. or until melted.
ADD marshmallows; stir to evenly coat. Microwave 30 sec. or until marshmallows are puffed; stir until marshmallows are completely melted and mixture is well blended.
STIR in thin crisps. Drop into 6 mounds on greased baking sheet. Cool completely.