Ina Garten is sharing pro tips on pulling off the ultimate make-ahead, low-stress Thanksgiving feast. She's preparing Accidental Make-Ahead Turkey where all the cooking and carving are done in advance, there's wonderful Make-Ahead Turkey Gravy with Onions and Sage, an incredible Leek and Artichoke Bread Pudding and two fabulous sides -- Sweet Potato Puree and the easiest Peas and Pancetta. Thanksgiving has never been so effortless and easy.