Molly Yeh is preparing make-ahead meals in anticipation of the birth of her first child. There's a freezer-friendly version of Sweet Potato and Black Bean Burritos, Mini Spinach and Artichoke Chicken Casseroles and Potato Bagel Breakfast Sandwiches. She also teaches Nick how to make a super-quick Salmon Sheet Pan Supper with Horseradish Sauce for dinner.