Use one-quarter cup of yogurt to replace one egg

When you substitute yogurt for an egg in a recipe, use one-quarter cup (4 tablespoons or 60 milliliters) of yogurt per egg. This ratio works because yogurt provides moisture and some binding power, though not as much as a whole egg does. The swap works best in recipes where the egg is not the main structure—cakes, muffins, quick breads, and brownies are good candidates.

Plain yogurt works better than flavored varieties, since flavored yogurts can change the taste of your finished baked good. Greek yogurt is thicker than regular yogurt, so if you use it, thin it slightly with a tablespoon of milk or water per quarter cup to match the consistency of regular yogurt. The yogurt should be at room temperature before you mix it in, just as you would use room-temperature eggs.

Key Takeaways

  • Replace one egg with one-quarter cup of plain yogurt, thinned slightly if using Greek yogurt.
  • Yogurt works best in cakes, muffins, brownies, and quick breads where the egg is not the primary binder.
  • Avoid using yogurt in recipes where eggs are essential for structure, such as custards, meringues, or soufflés.
  • Room-temperature yogurt mixes more evenly into your batter than cold yogurt straight from the refrigerator.

Why the one-quarter cup ratio matters

An egg is roughly one-quarter cup of liquid by volume, so the measurement seems straightforward. But eggs do more than add moisture—they also contain fat and protein that help bind ingredients together and trap air bubbles. Yogurt adds moisture and some protein, but it lacks the fat and binding power of a whole egg.

This means the swap works in recipes where eggs play a supporting role. In a chocolate cake or banana bread, the flour and leavening agents (baking soda or baking powder) do most of the structural work, so yogurt can fill in for the egg without a noticeable difference. In a custard or a soufflé, where the egg is the main structure, yogurt will not work—the result will be too soft or will not rise.

Adjusting other ingredients when you use yogurt

Because yogurt adds acidity to your batter, you may need to adjust your leavening. If your recipe calls for baking powder alone, consider using half baking powder and half baking soda instead. The baking soda reacts with the yogurt's acidity to produce lift, while the baking powder provides additional rise. Start with the original amount of baking powder and add one-quarter teaspoon of baking soda per egg replaced, then taste a test bite to see if you need to adjust.

If your recipe already includes an acidic ingredient like buttermilk, sour cream, or lemon juice, you may not need to change the leavening at all. Reduce the total liquid in the recipe slightly—by about 2 tablespoons per egg—since yogurt is thicker than a whole egg. This prevents your batter from becoming too wet and your baked good from turning out dense or gummy.

Which recipes work well with yogurt substitution

Cakes, muffins, and quick breads are the safest bets. Chocolate cakes, carrot cakes, zucchini breads, and blueberry muffins all bake well when you swap yogurt for eggs. Brownies and cookie bars also work, though cookies made with butter and sugar as the main binders may turn out slightly denser. Pancakes and waffles can use yogurt, though they may be slightly less fluffy than versions made with eggs.

Recipes that rely on eggs for structure—angel food cakes, chiffon cakes, meringues, custards, and quiches—are not good candidates. Recipes where eggs are the primary binder, like frittatas or egg-based sauces, will not work either. If you are unsure whether a recipe will work, look at how many eggs it calls for relative to the other ingredients. If eggs make up more than half the wet ingredients by volume, yogurt is probably not a good substitute.

Flavor and texture changes to expect

Yogurt adds a subtle tang to baked goods, which is usually pleasant and barely noticeable in chocolate or spiced recipes. In delicate cakes or vanilla-forward recipes, the tang may be more obvious. If you want to mask it, add a teaspoon of vanilla extract or use a recipe that already includes citrus zest or cocoa powder.

Baked goods made with yogurt tend to be slightly more tender and moist than those made with eggs, because yogurt does not set as firmly as cooked egg protein does. This is an advantage in cakes and muffins, where tenderness is desirable. In cookies or brownies, the texture may be slightly softer or chewier than expected. If you prefer a firmer result, reduce the yogurt by 1 tablespoon per egg and add 1 tablespoon of flour instead.

Dairy-free and vegan alternatives to yogurt

If you cannot use yogurt, other one-quarter cup substitutes per egg include applesauce, mashed banana, or silken tofu. Applesauce and banana work similarly to yogurt but add sweetness, so reduce the sugar in your recipe by 2 to 3 tablespoons. Silken tofu has a neutral flavor and works well in recipes where you want no added sweetness. Coconut yogurt or soy yogurt work the same way as dairy yogurt and are good options if you are avoiding dairy.

Aquafaba (the liquid from a can of chickpeas) is another option: use 3 tablespoons per egg. It has almost no flavor and works well in most baked goods. Flax or chia seed "eggs" (1 tablespoon ground seed mixed with 3 tablespoons water per egg) also work, though they add a slight nuttiness and work best in chocolate or spiced recipes.

Frequently Asked Questions

Can I use flavored yogurt instead of plain?

Flavored yogurts can work, but they will change the taste of your baked good. Vanilla yogurt is usually safe in most recipes. Fruit-flavored yogurts may clash with savory recipes or delicate cakes. Stick with plain yogurt unless the recipe specifically calls for a flavored variety or you want the extra flavor.

What if I only have Greek yogurt?

Greek yogurt is much thicker than regular yogurt, so thin it first. Mix one-quarter cup of Greek yogurt with about 1 tablespoon of milk or water to match the consistency of regular yogurt. Then use this thinned mixture as your one-egg replacement. If you skip the thinning step, your batter will be too thick and your baked good may turn out dense.

Do I need to change the oven temperature?

No, use the oven temperature the recipe calls for. Yogurt does not require a different baking temperature than eggs do. However, watch your baked good toward the end of the baking time, since yogurt-based batters sometimes bake slightly faster or slower depending on the recipe. Start checking for doneness a few minutes before the recipe suggests.

Will the result taste like yogurt?

In most recipes, no. The yogurt flavor is very subtle once baked, especially in chocolate, spiced, or fruit-based recipes. In plain vanilla cakes or delicate recipes, you may notice a slight tang. This is usually pleasant and adds depth, but if you prefer no tang at all, use applesauce or mashed banana instead.