We're going back to school to learn once and for all what the ultimate nostalgic dish is. We're joining Chef Beau MacMillan in the cafeteria with his Supreme Boffa super-sub sandwich and heading down to homeroom where Jeff Mauro teaches us all about the best pepperoni pizza creation on the planet. And we're sticking around after class with Tregaye Fraser to learn about her irresistible ricotta cannoli.