Coconut oil might work.

I use about 8 oz of mushrooms instead of eggs -- they have so much moisture that the meatloaf tastes heavenly with the mushrooms mixed in as part of the loaf.

OP here. Thanks everyone for the great suggestions!

Actually, for meatloaf, +1 for the panade too. I learned about this a few years ago in Cook's Illustrated for a weeknight bolognese sauce. Works great. You could also add some heft to it by chopping mushrooms fine, browning them, and then working them in with the panade.

Another +1 for flax eggs, for all-purpose use. Except I thought it was only 2 tbsp warm water. Been doing it that way for years.

I guess it shows there's some flexibility--not a thing you have to measure precisely.

There's some stuff they sell at Whole Foods in the baking section that is vegan egg replacer. IDK if it's any better than a flax egg.

Anonymous wrote:You can also add a flax egg - 1 tbsp flax meal + 3 tbsp warm water (let sit a few minutes before adding).

You can also use this for baking, OP.

We also don't put in eggs due to an allergy or milk (also due to an allergy). I put diced green and red peppers, onion, garlic, tomato sauce, oregano, and Ian's panko bread crumbs and everything stays together very well.

Panade. That's a bread and milk. Break up the bread, soak in milk and then mix into the meat. Not only can it serve as a binder (in place of eggs), but it will also help the meat retain more moisture and not get dried out. If you need slightly more adhesion, try a little bit of honey or a little bit of softened (not melted) butter.

You can also add a flax egg - 1 tbsp flax meal + 3 tbsp warm water (let sit a few minutes before adding).

mayo has eggs. just omit the eggs from the mixture and add another wet sauce. it will turn out fine.

I just use ketchup or bbq sauce and don't include eggs because I don't like them. Any sauce will do to make the mixture stick together. I don't know if all mayos have eggs, but if not -- mayo is good to use.

We love to make "Diner meatloaf muffins" but just found out youngest is allergic to eggs. Any recommendations on what we could swap in for the egg?

thanks.