Pumpkin makes a great egg substitute, but adds a lot of moisture, so my first couple of batches of biscotti ended up soggy. (cakemerchant.com)
Chia Seeds Chia eggs work very similarly to flax eggs as they bind together when mixed with water, forming a great egg substitute. (organicauthority.com)
Bananas are a great egg substitute when used for binding and adding moisture. (drjockers.com)