Okay, if you were on the fence about instant pot, try this on for size: it can cook potatoes in 10 minutes. Ten. Minutes. Isnt that insane? Here, weve got a super filling, protein-packed, cheesy masterpiece for you beef and potatoes instant pot casserole. So this is a bit of a two-part process, in that we cook the beef and potatoes in our instant pot and then bake it in a 913-inch baking dish to turn the cheese into melted perfection, but its all worth it in the end And you can still get this dish on the table in under half an hour