Key Lime Popcorn Clusters

Makes 32 clusters. Recipe is from The Popcorn Board.

8 cups popped popcorn

4 whole graham crackers, finely chopped

1 (7.5-oz.) jar marshmallow crème

1/4 cup butter or margarine

2 tbls. grated lime peel

1 tbl. key lime or traditional lime juice

1. Line a 9-inch square pan with foil.

2. Combine popcorn and all but 2 tablespoons of graham cracker pieces in a large bowl.

3. Microwave marshmallow crème and butter in a large glass bowl on high for 1 minute. Stir until butter is melted. Stir in lime peel and juice. Pour the marshmallow mixture over the popcorn, mixing thoroughly.

4. Using a damp hand, firmly press mixture into a prepared pan. Sprinkle with reserved 2 tablespoons graham cracker pieces. Refrigerate 2 hours or until firm.

5. Lift foil from pan and break the popcorn mixture into clusters.