Freezing a loaf of zucchini bread is a great option to preserve your loaf for longer storage. After it has cooled down to room temperature, wrap it tightly in plastic wrap or foil, and transfer it to a resealable plastic bag or airtight container. When stored properly, frozen zucchini bread will stay fresh for up to three months. You can also freeze bread slices. This makes it easier to thaw individual slices as needed. Simply wrap each slice in plastic wrap or foil and then place it in a freezer-safe bag. Enjoy your favorite zucchini bread recipe all year long by following these simple storage tips.