Test Kitchen Tip: This recipe needs time to chill, so plan on prepping your casserole dish and sticking it in the fridge up to 24 hours in advance of baking. Test Kitchen Tip: A gentle hand is key to getting tender, moist meat loaf. Use your fingers to add air and lighten the mixture, and resist packing it down as you mix. Buy It: Instant Vortex Plus 6-qt. Stainless Steel Air Fryer, $140, Crate & Barrel Buy It: Nordic Ware Naturals Baker’s Half Sheet, $13, Target Buy It: Instant Pot DUO 6-qt. 7-in-1 Multi-Use Programmable Pressure Cooker, $75, Walmart