1/4 c. (1/2 stick) butter
1 (10 1/2 oz.) bag miniature marshmallows
1 pkg. Jello, any flavor
3 qts. (12 c.) popped popcorn

Heat butter and marshmallows in large microwave bowl at high 1 1/2 to 2 minutes or until marshmallows are puffed. Add gelatin; stir to blend. Pour marshmallow mixture over popcorn and stir to coat. Shape into balls or other shapes with buttered hands.