Egg Substitute Calculator

What the egg is doing in your recipe

An egg does four different jobs in a recipe, and it usually does more than one at a time. Before you pick a substitute, work out which job matters most, because the wrong swap fails in a predictable way.

• Structure and lift. Whipped whites trap air and set into a foam. Cakes, sponge, meringue and soufflé depend on this. Without it you get a flat, dense brick.
• Binding. Egg proteins coagulate as they heat and glue the mixture together. Meatloaf, burgers, veggie patties and cookies rely on it.
• Moisture. The water in an egg keeps the crumb tender and extends shelf life. Quick breads, muffins, brownies and pancakes benefit most.
• Emulsifying and richness. The yolk's lecithin holds oil and water together, which is why mayonnaise and hollandaise work.

No single substitute covers all four. Flax and chia handle binding. Applesauce, banana, yogurt and buttermilk handle moisture. Vinegar with baking soda, and oil with water and baking powder, handle lift. Pick the one that matches the job, and if the recipe needs two jobs done, use two substitutes together.

Two federal sources are worth keeping open while you cook. The FDA's egg safety page explains why eggs need refrigeration and careful handling, and USDA FoodData Central has the exact weight, protein and water content of a large egg, which is what the ratios below are built on.

Every substitute, and how much to use

These ratios replace one large egg. Multiply by the number of eggs in your recipe, then sanity check that the total does not overwhelm the batter.

The liquid egg substitute and the commercial powder are the only two options here that are meant to be used in large amounts. Everything else is a partial stand-in, and the results get worse the more eggs you replace.

Worked example: replacing 2 eggs in a batch of muffins

Your muffin recipe uses 2 eggs, 1 cup of milk, 1/2 cup of oil, 2 cups of flour and 2 teaspoons of baking powder. The eggs are doing moisture and a little binding, so applesauce is the closest match.

• Substitute: applesauce, unsweetened
• Amount: 2 x 1/4 cup = 1/2 cup
• Liquid adjustment: none needed, applesauce carries its own water
• Bake: same 375°F, but start checking 3 to 4 minutes early

Two eggs out of a four-egg recipe is the practical limit for any single substitute. At 2 eggs replaced the muffins come out a little denser and a little sweeter than the original, which is usually fine. At 4 eggs replaced with applesauce the muffins turn rubbery and the tops stay pale.

If you want more lift in an egg-free muffin, add 1 tablespoon of white vinegar plus 1 teaspoon of baking soda to the wet ingredients, on top of the applesauce. The acid and base react immediately, so get the batter into the oven within a few minutes of mixing.

Worked example: replacing 1 egg in meatloaf

Meatloaf needs the egg for binding and nothing else. There is no lift to worry about, which makes this the easiest substitution in the kitchen.

• Substitute: flax egg
• Amount: 1 tablespoon of ground flaxseed plus 3 tablespoons of water
• Gel time: 5 to 10 minutes before you add it to the meat
• Everything else: unchanged, bake at 350°F for the usual 55 to 60 minutes

Grind the flaxseed fresh if you can, because pre-ground flax loses its gelling power over time. Whole flaxseed will not work at all, it passes straight through without thickening.

For a 2-pound meatloaf, one flax egg is plenty. If the loaf still crumbles when you slice it, the fix is usually more binder in the form of breadcrumbs or oats, not more flax. Two flax eggs in a 2-pound loaf make the texture noticeably pasty.

Chia works the same way if you are out of flax, at 1 tablespoon of chia seeds to 3 tablespoons of water per egg. Expect small dark flecks in the finished loaf.

How to choose the right substitute

Work through the recipe rather than picking a substitute at random.

• Does the recipe whip the eggs? Use aquafaba, 3 tablespoons per egg. Nothing else whips.
• Is the egg mostly glue? Use a flax egg or a chia egg, 1 tablespoon of ground seed plus 3 tablespoons of water.
• Is the egg mostly moisture? Use applesauce, mashed banana, yogurt or buttermilk, 1/4 cup each per egg.
• Does the recipe need the egg to help it rise? Use vinegar with baking soda, or oil with water and baking powder.
• Are you making scrambled eggs? Use 1/4 cup of carton liquid substitute per egg, or a firm tofu scramble.

When in doubt in a baked good, pick the substitute that adds moisture. A slightly dense cake is edible; a dry one is not. And when the recipe uses more than 3 eggs, consider making something else instead of fighting the chemistry.

Where egg substitutes fail

Some recipes do not survive an egg swap, and it saves time to know which ones before you start.

• Angel food cake and meringue. These are nothing but whipped egg white and sugar. Aquafaba is the only real option, and it is less stable.
• Custard, creme brulee and flan. The egg is the set. Cornstarch can thicken a pudding, but it will not give you a sliceable custard.
• Soufflé. The whole dish is a foam that has to hold its rise. Skip it.
• Mayonnaise and hollandaise. The yolk is the emulsifier. Aquafaba mayonnaise exists but has a shorter shelf life.
• Recipes with 4 or more eggs. The eggs are structural. Replacing all of them is a different recipe, not a substitution.

For anything with an egg allergy in the house, read every label. Some commercial egg replacer powders are egg-free, and some are not. Carton liquid egg substitutes are usually real egg white, so they are not safe for an allergy at all.

Store-bought flax and chia both keep for months in a sealed container in a cool cupboard. Ground flaxseed goes rancid faster than whole, so keep it in the freezer if you use it often.