Bite Size Cheesy Pepperoni Pizza Puff, from Slow Roasted Italian, is in 30 Minutes are just like your favorite pizza in bite size! A Simple recipe and a scrumptious game day appetizer. Can't get much more fun than that. They freeze perfectly. Spritz them with water and either microwave them until heated or defrost and pop them in a 350°F oven for about 10 minutes.