Spiralized zucchini "zoodles" are everywhere on the internet, but we bet you haven't tried subbing in zucchini for other pasta shapes! This creative lasagna recipe goes pasta-free by using thinly sliced lengths of zucchini as the lasagna sheets. Pre-cook the zucchini if you like, or assemble your lasagna with raw slices—the recipe explains the pros and cons of both delicious methods!