Ree's sharing four great ideas for cook once and eat twice double dinners. There's Shrimp Scampi Stuffed Shells - one pan for supper and another for the freezer. Then Nacho Cheese Casserole, freezer friendly Ranch Pizza Pie and Slow-Cooker Drip Beef, great to stockpile for another day and incredible in hearty sandwiches It's investment cooking and it works.