Flax egg made with ground flax and water for gluten-free egg-free baking
Eggs are the overachievers of the baking world. They bind, they lift, they add moisture, and they basically hold the whole operation together. In gluten-free baking they work overtime, because there's no gluten around to do any of the holding.
So when you find out you can't have gluten or eggs, it can feel like someone took your flour and your glue on the same day. (Ask us how we know.)
We're Becca and Michelle. In 2012 we were both told to cut out gluten, dairy, soy, and eggs, all at once. After a lot of trial and error (and more than one batch of cookies that came out as a single flat sheet), we settled on three egg substitutes. They're the only three we use, and every recipe in our cookbook is built on them.
If you're hunting for an egg substitute for gluten-free baking that actually works, especially if you're also dairy-free or soy-free, here's what we use, how to use it, and the swap we tell people to skip.
The Best Egg Substitutes for Gluten-Free Baking (Cheat Sheet)
| Substitute | To replace 1 egg | Best for |
|---|---|---|
| Flax egg | 1 tbsp ground flax + 3 tbsp warm water, rest 5 min | Binding: cookies, muffins, quick breads, breading for frying |
| Aquafaba | 3 tbsp liquid from a can of garbanzo beans (chickpeas) | Baking where you want a lighter texture |
| Applesauce | Not a solo swap. Add it with a flax egg or a powdered egg substitute to boost moisture, never by itself | Extra moisture |
Screenshot it, stick it on the fridge, and you're halfway there.
Egg substitutes for gluten-free baking cheat sheet
1. Flax Egg: The Easiest Egg Substitute
If you only learn one egg substitute, make it this one. It's cheap, it keeps for months in the fridge, and making it is about as hard as stirring. Think of it as your new best friend.
How to Make a Flax Egg (The Ratio)
- Stir 1 tablespoon of ground flax into 3 tablespoons of warm water.
- Walk away for about 5 minutes.
- Come back to something thick and a little gloopy, a lot like a beaten egg. That's it. You made an egg.
The one mistake everyone makes: buying whole flax seeds. You need ground flax (the bag might say "flaxseed meal" or "milled flaxseed"). Whole seeds won't thicken. They'll just sit in your batter like tiny confused pebbles.
Don't skip the resting time, either. Those few minutes are when the flax turns into the gel that holds your bake together. Pour it in while it's still watery and you lose most of the binding.
Where Flax Eggs Shine
- Cookies, muffins, brownies, pancakes, and quick breads
- Egg-free breading for frying. Dip in the flax egg, then into your gluten-free crumbs. Because it's thick like a real egg wash, the coating actually sticks.
Good to know: - Golden flax tastes milder and won't leave dark specks. Brown flax works just as well, it just looks a little more rustic. - Keep ground flax in the fridge or freezer. The natural oils can go stale at room temperature.
2. Aquafaba Egg Substitute: The Chickpea Water Plot Twist
Aquafaba is the liquid in a can of chickpeas (garbanzo beans). Yes, the stuff you've been pouring down the drain. It's a little goopy and a little protein-y, and in baking it acts a lot like egg.
How to use it: shake the can, drain the liquid into a bowl, and use 3 tablespoons per egg.
The catch: you're opening a whole can of chickpeas to get it. So aquafaba makes the most sense when you already have plans for the beans: hummus, roasted chickpeas, a chickpea salad, or a soup. Make hummus for lunch, bake cookies for dessert. Nothing wasted.
Good to know: - Leftover aquafaba keeps in a covered jar in the fridge for a few days. You can also freeze it: measure 3 tablespoons into each slot of an ice cube tray, and every cube is one ready-to-go egg. - Chickpeas are a legume. If legumes are on your no list, stick with flax.
3. Can You Use Applesauce Instead of Eggs? (Sort Of)
Applesauce is the sidekick, not the hero.
Here's where a lot of egg substitute lists lead people astray. Applesauce gets listed as an egg replacement, but on its own it doesn't bind anything. Use it as a straight swap and you'll often get something gummy or crumbly.
What applesauce does do well is add moisture, and gluten-free baking can always use more of that. Gluten-free flours are thirsty and tend to dry out fast.
So team it up: use a flax egg or a powdered egg substitute for binding, then add a few spoonfuls of unsweetened applesauce for a softer, moister crumb. One holds it together, applesauce keeps it tender. It's a great partnership.
Can You Use Vegan Mayo Instead of Eggs? We Skip It
You'll see vegan mayonnaise on plenty of egg substitute lists. We don't recommend it, for three reasons:
- It's mostly oil. Vegan mayo runs about 9 to 10 grams of fat per tablespoon. A whole large egg has about 5. Most mayo swaps call for several tablespoons per egg, so you can end up adding a lot more fat than the recipe was built for, and that can leave bakes greasy or heavy.
- It changes the flavor. Mayo is tangy (vinegar, lemon, sometimes mustard). That's great in potato salad, not so much in vanilla cupcakes.
- It can sneak in soy. Some vegan mayos are made with soy. If soy is one of your allergies, you'd have to check every label anyway.
Flax and aquafaba do the job without any of that.
When Egg Substitutes Struggle
It's easier to hear this now than to find out halfway through a recipe: substitutes are great at standing in for one or two eggs. Recipes that are built on eggs, like angel food cake, soufflés, or anything calling for 4 or more eggs, are a different story. For those, look for a recipe written egg-free from the start instead of trying to convert one.
Your Egg-Free, Gluten-Free Starter Kit
You don't need a fancy pantry. Grab:
- A bag of ground flax (keep it cold)
- A couple cans of chickpeas
- A jar of unsweetened applesauce
That's it. With those three, you can make most everyday baked goods without a single egg.
Egg Substitute FAQ
What is the best egg substitute for gluten-free baking?
For most recipes, a flax egg: 1 tablespoon of ground flax mixed with 3 tablespoons of warm water, rested for about 5 minutes. It binds well, which gluten-free baking needs, and it's cheap and easy to keep on hand.
What is the flax egg ratio?
1 tablespoon ground flax to 3 tablespoons warm water equals 1 egg. For 2 eggs, use 2 tablespoons flax and 6 tablespoons water.
Can I use whole flax seeds instead of ground flax?
No. Whole flax seeds won't thicken into a gel, so they won't bind your bake. Buy ground flax (flaxseed meal), or grind whole seeds yourself in a clean coffee or spice grinder.
How much aquafaba equals one egg?
About 3 tablespoons of liquid from a can of chickpeas replaces 1 egg.
Is applesauce a good egg substitute?
Not on its own. Applesauce adds moisture but doesn't bind. Pair it with a flax egg or a powdered egg substitute for the best results.
Can I use a flax egg for breading or frying?
Yes. Let it thicken for a few minutes, then dip your food in it before your gluten-free coating. It works like an egg wash and helps the breading stick.
Are these egg substitutes dairy-free and soy-free too?
Yes. Ground flax, aquafaba, and plain applesauce are naturally gluten-free, dairy-free, soy-free, and egg-free. As always, check labels for cross-contact warnings if you're highly sensitive.
Want Recipes That Already Do This for You?
Our cookbook, But No Croutons: Gluten & Everything Else-Free, has 270+ recipes, from appetizers and soups to main dishes, breads, and desserts. Every one is free of gluten, dairy, soy, and eggs, and every one is built on the swaps above. No converting, no guessing, no flat cookies.