When zucchini are in season and the harvest was good, you can often get those green fellas quite cheaply in supermarkets or at the weekly farmer’s market. So if you are on a budget or don’t want to spend a lot, zucchini might be the perfect veggie for you to prepare dinner. This delicious Zucchini & Potato Casserole can be your main course or served as a side with some meat, fish, etc.