The Kitchen hosts are sharing their favorite regional casseroles, bakes and skillets. Alex Guarnaschelli kicks things off with her New York-inspired Cheesy Spinach Manicotti with Lemon. Then Katie Lee Biegel shares one of her Southern childhood favorites, Chili Cornbread Skillet. Jeff Mauro cooks up a Midwestern-style Chicken, Mushroom and Wild Rice Casserole, and Sunny Anderson transforms a New Jersey deli sub with her Easy Meatball Sub Casserole with Roasted Broccoli. Geoffrey Zakarian makes a decadent dessert of Coconut Allspice Corn Pudding, and the hosts share their favorite fresh sides to pair with their recipes.