From tender muffins and glazed cupcakes to spiced loaves and deeply chocolaty cakes, these zucchini desserts turn summer’s most versatile veggie into bakery-worthy treats to enjoy all season.

Zucchini can be steamed for low-carb and keto-friendly side dishes, air fried for crunchy sticks, baked into gratins, casseroles and quiche, and of course, sautéed. Then there are the ever-popular ...