Mac and Cheese can be prepared in two distinctly different ways: Oven-baked Mac and CheeseĪs the name suggests, oven-baked mac and cheese is made by baking the pasta and cheese sauce in the oven in a large casserole dish. Here is everything you need to know about freezing and reheating macaroni and cheese. The good news is, not only can you preserve mac and cheese leftovers for a second heat-and-eat, but next time you cook a batch of cheesy goodness, you can make a double batch to freeze and simply pop it into the oven before your guests arrive for a freshly baked macaroni and cheese winner. How To Thaw and Cook Unbaked Frozen Mac and Cheese.How To Freeze Uncooked Baked Mac and Cheese.How To Freeze Cooked Macaroni and Cheese.