Just put in a handful of kernel in the silicone container, pop it in the microwave for two minutes and your popcorn is ready. You could coat it in any flavour you like.
Air-popped popcorn has only 31 calories per cup; oil-popped popcorn has only 55 calories per cup. When lightly buttered, popcorn contains about 133 calories per cup. Popcorn is a whole grain, making it a good-for-you food. Popcorn contains fiber, providing roughage the body needs in the daily diet (Source : here)