Popcorn is a recurring food in the Angry Birds Series.
In Angry Birds SpaceIn Angry Birds Space, popcorn and kernels debut in level 4-3. Popcorn mainly starts as a kernel, and then when a bird hits it it will turn into three pieces of popcorn, similar to the ice meteorites on the planet Cold Cuts. Popcorn is only seen on the planet Utopia.
In Angry Birds Seasons, popcorn is debuted as a small, easy to destroy object. It appears in some levels, but the main level that it appears is in the Popcorn Day Level from Pig Days. There is also a sack with popcorn object, but it's also easy to destroy. However, the sack and popcorn are not separated.
In Angry Birds Friends
In Angry Birds Friends, they are small objects that are easy to destroy. They don't give a bunch of points. They debuted in the Movie Hype Tournament and appeared more commonly in the tournaments ever since.
There's also a popcorn sack and it's also easy to destroy.