if you are unable to buy eggs in the store, you can make an egg-replacement to use in baking. i make it with a tablespoon of either ground flax, or chia seeds, mixed with a couple of tablespoons of water and left to sit for a few minutes. it works great for things like quick breads, cookies, even cakes...anything that uses eggs for a binder. here's a list of other egg-replacers and other applications that you might want to consider:
https://www.healthline.com/nutrition...tutes#section4
~ c