How to Use Aquafaba as an Egg Substitute (Step-by-Step)

Aquafaba is the best vegan egg substitute for recipes that need lift, structure, or foam. It's the only plant-based option that whips to stiff peaks like egg whites, making it ideal for meringues, macarons, mousses, and fluffy cakes. For binding in cookies and muffins, flax eggs and chia eggs also work, but they can't replicate what aquafaba does.

This guide compares aquafaba to other vegan egg substitutes, shows you when to use each one, and explains what to use if you don't have aquafaba on hand.

Aquafaba whipped to stiff peaks. No other vegan egg substitute can do this.

Quick Ratio Guide

The conversion for using aquafaba as an egg substitute:

For detailed instructions on how to use these ratios in recipes, see our complete aquafaba conversion guide and how to use aquafaba in vegan baking.

Why Aquafaba Beats Other Substitutes

Aquafaba does something no other vegan egg substitute can: it whips into a stable foam with stiff peaks, just like egg whites.

This matters because eggs do three jobs in baking:

1. Binding: Holding ingredients together
2. Leavening: Trapping air to make things rise
3. Emulsifying: Blending fats and liquids smoothly

Most vegan egg substitutes only handle binding. Flax eggs, chia eggs, applesauce, and mashed banana can hold a cookie together, but they can't make a meringue. They can't give a cake lift. They can't create that silky foam on a cocktail.

Aquafaba handles all three jobs. That's why it's the only substitute that works for:

• Meringues and pavlova
• French macarons
• Mousse and soufflés
• Angel food cake
• Cocktail foam
• Swiss meringue buttercream

Vegan meringue kisses. Only aquafaba can make these.

Aquafaba vs Flax vs Chia vs Commercial Replacers

Here's how aquafaba compares to other common vegan egg substitutes:

Key differences

Aquafaba is the only option that provides leavening. It's also the only one with a truly neutral flavor that won't change how your baked goods taste.

Flax and chia eggs create a gel that binds ingredients, but they add texture (flax can be gritty, chia adds tiny seeds) and don't provide lift. They work well in hearty baked goods where you want density.

Commercial egg replacers are convenient and consistent, but they're starch-based and only provide binding. They won't help you make meringues.

Fruit purees (applesauce, banana) add moisture and some binding, but they change the flavor. Use them when the flavor complements the recipe.

When to Use Each Substitute

Match the substitute to what your recipe needs:

Use aquafaba when you need:

• Stiff peaks or foam (meringues, macarons, mousse)
• Light, fluffy texture (cakes, angel food)
• Neutral flavor that won't change the taste
• Cocktail foam

Use flax or chia eggs when you need:

• Simple binding in cookies, brownies, muffins
• A hearty, dense texture
• Added fiber and omega-3s

Use commercial replacers when you need:

• Convenience (just add water)
• Consistent results in standard baking
• Neutral flavor without prep work

Use applesauce or banana when:

• The flavor complements the recipe
• You want added moisture
• You're making something like banana bread or spice muffins

Alternatives If You Don't Have Aquafaba

If you're out of aquafaba, here's what to use instead:

Flax egg

Mix 1 tablespoon ground flaxseed with 3 tablespoons water. Let sit 10 to 15 minutes until gel-like. Works for cookies, brownies, muffins, and pancakes. Adds a slightly nutty flavor and won't whip.

Chia egg

Mix 1 tablespoon chia seeds with 2.5 tablespoons water. Let sit 15 minutes until thick. Works for muffins, quick breads, and dense cakes. Adds visible seeds unless you use white chia.

Commercial egg replacer

Follow package directions (usually 1.5 teaspoons powder + 2 to 3 tablespoons water per egg). Brands like Bob's Red Mill and JUST Egg work well for standard baking.

Applesauce

Use 1/4 cup unsweetened applesauce per egg. Works for muffins, quick breads, and brownies. Adds moisture and subtle sweetness.

Mashed banana

Use 1/4 cup mashed ripe banana per egg. Works best in recipes where banana flavor is welcome (pancakes, banana bread, oatmeal cookies).

Getting Consistent Aquafaba

PlantWhip: ready-to-use liquid aquafaba.

The biggest challenge with aquafaba is consistency. Canned chickpea liquid varies in protein concentration from brand to brand. Some cans whip to perfect stiff peaks. Others produce weak foam that collapses.

PlantWhip solves this problem. It's liquid aquafaba made from chickpea extract, tested for protein and starch concentration in every batch. It whips the same way every time.

One carton replaces about 20 eggs. Two ingredients: chickpea extract and water. Free from all top 9 allergens.

For more details on where to find it, see our guide on where to buy aquafaba.

Frequently Asked Questions

Written by

Ryan Walsh

National Sales Manager, Global Resources Direct

Ryan leads sales for PlantWhip and Global Resources Direct, the company behind the world's largest aquafaba supply operation. A University of Dayton graduate based in Denver, he works with bakeries, bars, and food manufacturers to help them switch from eggs to plant-based alternatives.