9 graham crackers, broken in half (18 squares), divided
1 cup hot fudge ice cream topping, divided
2 cups JET-PUFFED Miniature Marshmallows
2 cups chocolate ice cream, softened
Place 9 graham squares in single layer on bottom of foil-lined 9-inch square pan. Spread with 1/2 cup fudge topping; sprinkle with marshmallows. Top with layers of ice cream, remaining fudge topping and remaining graham squares; cover. Freeze several hours or overnight. Let stand at room temperature 10 min. before cutting into squares.