This fabulous Southwestern Crustless Quiche with Zucchini and Ham is healthy, hearty and super delicious. It comes together quickly and is a great way to use up leftover ham! If you have been intimidated by making quiche you definitely need to try this one! There is no fuss with recipe because there is no crust. All you have to do is layer the ingredients in the pan, whisk together the egg mixture and pour it over the top. Super easy, super delicious!