preheat oven to 300°F. Line 15x10x1-inch baking pan with foil or wax paper. Toss popcorn and peanuts in large bowl; set aside.

Place butter and syrup in small saucepan; cook on low heat until butter is melted. Add sugar and gelatin; stir until gelatin is completely dissolved. Bring to boil on medium heat. Reduce heat to low; simmer 5 minutes. Pour immediately over popcorn mixture; toss to coat well. Spread into prepared pan, using 2 forks to spread evenly.

Bake 10 minutes. Cool. Remove from pan. Break into small pieces.