Do I need to squeeze the excess moisture out of the shredded zucchini?
There's a lot of water in a zucchini....but that's what makes these deliciously moist zucchini bars!  If you're using fresh garden zucchini, you do not need to squeeze any moisture out.  However, if you're using zucchini you've shredded and frozen, you will want to thaw it out and squeeze the excess water out before adding to the batter.