The grandma slice is a staple of every New York City pizzeria. Thin, crispy, and covered in sauce, the dish is reminiscent of the old-school pan pies Italian grandmothers would cook at home. On an all-new episode of Pizza Wars, Nicole Russell faces off against Pennsylvania pizza legend Norma Knepp to see who can make the perfect grandma pie. Will Nicole's meatball-topped creation win over pizza-loving judges Sam Morril and New York Nico? Watch as Nicole and Norma cook for some of our toughest critics yet.