How does popcorn pop? Good question. This week on FridgeCam we're getting pretty into our science so get involved as we answer the question whilst making delicious marshmallow popcorn bars.Get the recipe: http://bit.ly/GingerPecanPopcornBarsTry our other gourmet popcorn recipe: http://bit.ly/2fHjqtyWanna become an awesome home cook? Sign up to our Sidekick app and be the hero of your kitchen: https://bit.ly/3tfFgsR