I freeze shredded zucchini or summer squash in Ziplock bags for future loaves of bread. It works well, although you have to drain it well before using it. I also freeze sliced summer squash that I freeze w/o blanching in a single layer on a cookie sheet. When frozen, pop slices into a Ziplock bag. My cousin gave me a cookbook with 255 recipes for all kinds of squash, and we eat everything zucchini all year long.