This Spicy Mexican Style Zucchini Casserole is a delicious and healthy dish that combines the flavors of zucchini, black beans, corn, and spices. It is a perfect vegetarian option for a weeknight dinner or a potluck gathering. The zucchini is cooked until tender and then layered with a spicy tomato sauce, black beans, corn, and cheese. The casserole is then baked until bubbly and golden. Serve it with a dollop of sour cream and some fresh cilantro for a complete and satisfying meal.