The Best Egg Replacements for Cakes

You can replace eggs in cake with applesauce, mashed banana, aquafaba, commercial egg replacer, flax or chia seed slurry, silken tofu, or a combination of baking soda and vinegar. The best choice depends on what you have on hand and the flavor profile you want. Most substitutes work in a one-to-one ratio by volume, though some require adjustments to liquid or leavening.

Eggs serve three jobs in cake: they bind ingredients together, add moisture, and help the cake rise. Different substitutes handle these jobs differently, which is why some work better in dense cakes like brownies and others in light, fluffy layer cakes. Understanding what each substitute does will help you pick the right one for your recipe.

Key Takeaways

  • Applesauce and mashed banana are the easiest swaps for most cakes and require no special preparation beyond measuring.
  • Aquafaba (the liquid from canned chickpeas) works best in cakes that need lift, like angel food or chiffon-style cakes.
  • Flax and chia seed slurries must sit for 5 to 10 minutes after mixing with water before you add them to your batter.
  • Commercial egg replacer powders follow their own mixing instructions and often produce the most reliable results across cake types.
  • Baking soda and vinegar work only in cakes that already call for acidic ingredients like buttermilk or lemon juice.

Applesauce and Mashed Banana

Applesauce is the most forgiving egg substitute for cakes. Use unsweetened applesauce at a ratio of 1/4 cup per egg. The applesauce adds moisture and binds the dry ingredients without adding strong flavor. It works well in chocolate cakes, spice cakes, and any recipe where a slightly denser crumb is acceptable. The cake will be slightly more moist than with eggs and may brown a little faster, so check it a few minutes before the recipe's stated time.

Mashed banana works the same way—use 1/4 cup mashed banana per egg—but it adds banana flavor. This is ideal if your cake already has chocolate, vanilla, or spice flavors that pair with banana. Avoid banana in delicate cakes like vanilla layer cakes unless you want the banana taste to come through. Bananas are wetter than applesauce, so reduce other liquids in the recipe by 2 to 3 tablespoons per egg you replace.

Aquafaba for Light, Airy Cakes

Aquafaba is the liquid drained from a can of chickpeas (or other canned beans). It contains starches and proteins that mimic egg whites and can be whipped into stiff peaks. Use 3 tablespoons of aquafaba per egg. For cakes that need lift—like sponge cakes, chiffon cakes, or fluffy layer cakes—whip the aquafaba with an electric mixer for 3 to 5 minutes until it forms soft peaks, then fold it gently into your batter at the end.

If your cake recipe does not call for whipped egg whites, you can use aquafaba unwhipped at a 1:1 ratio by volume. The result will be less fluffy than with whipped aquafaba but still moist and tender. Aquafaba has almost no flavor, so it works in any cake type. One drawback: some people detect a faint bean taste, though most do not. If you are sensitive to it, try a small batch first.

Flax and Chia Seed Slurries

Ground flax seeds or chia seeds mixed with water create a gel that binds ingredients much like eggs do. Mix 1 tablespoon of ground flax or chia seeds with 3 tablespoons of water per egg. Stir the mixture and let it sit for 5 to 10 minutes until it thickens into a gel, then add it to your batter. This works best in dense, moist cakes like brownies, chocolate cakes, and carrot cakes.

Flax and chia slurries add a subtle nutty flavor and a small amount of fiber. They do not help cakes rise as much as eggs do, so expect a slightly denser crumb. These substitutes work well when you want a cake that stays moist for several days. They are less reliable in delicate cakes that depend on eggs for structure and lift.

Commercial Egg Replacer Powder

Egg replacer powders are blends of starches, leavening agents, and binders designed to mimic eggs. Common brands include Bob's Red Mill and Ener-G. Follow the package instructions, which typically call for mixing the powder with water in a specific ratio. Most brands use about 1.5 teaspoons of powder plus 3 tablespoons of water per egg. Mix the powder and water, let it sit for a minute, then add it to your batter.

Egg replacer powders are reliable across most cake types because they include leavening agents that help cakes rise. They have no flavor and produce results very close to cakes made with real eggs. The downside is cost—a box runs 5 to 8 dollars and makes about 12 eggs' worth. If you bake often or have an egg allergy, the investment pays off.

Baking Soda and Vinegar

This combination works only in cakes that already contain acidic ingredients like buttermilk, yogurt, lemon juice, or vinegar. Mix 1 tablespoon of baking soda with 1 tablespoon of vinegar (white or apple cider) per egg. The mixture will fizz when ready—add it to your batter right away so the bubbles do the leavening work. This creates a light, airy crumb similar to what eggs provide.

Baking soda and vinegar work best in cakes like chocolate cake, red velvet, or lemon cake where the acidic flavor fits. Do not use this method in vanilla or delicate cakes where the vinegar taste might show through. This is a good option if you are out of other substitutes and your recipe already calls for an acid.

Silken Tofu

Silken tofu (the soft, custard-like variety, not firm tofu) can replace eggs in cakes. Blend 1/4 cup of silken tofu per egg until completely smooth, with no lumps. Add it to your batter and mix well. Silken tofu adds moisture and binds ingredients but does not help cakes rise, so expect a denser crumb. It works well in chocolate cakes, brownies, and spice cakes where a fudgy texture is welcome.

Silken tofu has almost no flavor when blended smooth. The main drawback is texture—if the tofu is not blended completely, you may feel small grainy bits in the finished cake. Use a food processor or high-speed blender to avoid this. Silken tofu is also less widely available than applesauce or banana, so it is best as a backup option.

How to Choose the Right Substitute

Start by thinking about what your cake needs. If it is a dense cake like brownies or chocolate cake, applesauce, banana, flax slurry, or silken tofu will work fine. If it is a light, fluffy layer cake or sponge cake, use aquafaba whipped into peaks or commercial egg replacer powder. If your recipe already calls for buttermilk or vinegar, baking soda and vinegar is a quick fix.

Consider flavor next. Banana adds banana taste, so use it only in recipes where that fits. Applesauce, aquafaba, egg replacer powder, and silken tofu are all neutral. Flax and chia add a subtle nuttiness. If you are unsure, start with applesauce or egg replacer powder—both are reliable and flavorless.

Finally, think about what you have in your kitchen. If you have a can of chickpeas, use the aquafaba. If you have bananas going soft, use those. If you have nothing but flour and baking soda, and your recipe has an acid, use the baking soda and vinegar trick. The best substitute is the one you have on hand that fits your cake type.

Frequently Asked Questions

Can I use oil or butter instead of eggs?

Oil and butter add fat and moisture but do not bind ingredients or help cakes rise the way eggs do. You can use them alongside an egg substitute—for example, applesauce plus a little extra oil—but not as a complete replacement on their own. If your recipe calls for 2 eggs, use applesauce for binding and add an extra tablespoon of oil for moisture.

What if my cake sinks in the middle after baking?

This usually means the substitute did not provide enough structure or lift. If you used applesauce or banana, try egg replacer powder or aquafaba next time. If you used aquafaba, make sure you whipped it into peaks before folding it in. Also check that your oven temperature is accurate—an oven that runs cool can cause cakes to collapse.

Do I need to change the baking time or temperature?

Baking temperature stays the same. Baking time may shift slightly—cakes made with applesauce or banana often bake a few minutes faster because they are wetter. Start checking for doneness 5 minutes before the recipe says, using a toothpick or cake tester. The cake is done when a toothpick inserted in the center comes out with just a few moist crumbs.

Can I use egg substitutes in recipes that call for whipped egg whites?

Yes, but only with aquafaba. Whip aquafaba for 3 to 5 minutes until it forms stiff peaks, just like egg whites. Other substitutes cannot be whipped and will not work in recipes like angel food cake or meringue-topped cakes. For those recipes, aquafaba is your best option.

Will the cake taste different with a substitute?

Most substitutes are flavorless or nearly so—applesauce, aquafaba, egg replacer powder, and silken tofu will not change the taste. Banana adds banana flavor, and flax or chia add a subtle nuttiness. The texture may be slightly different—often a bit denser or moister—but most people will not notice unless they are comparing side by side.