What Can You Substitute for Instant Yeast?

On this page (10 sections)

1. What is the closest instant yeast substitute?
2. Can you replace instant yeast with active dry yeast?
3. How does fresh yeast compare with instant yeast?
4. Can sourdough starter replace instant yeast?
5. Is baking powder a good instant yeast substitute?
6. Can baking soda replace instant yeast?
7. What should you use for pizza dough?
8. How should you adjust a recipe after choosing an instant yeast substitute?
9. Can you use an instant yeast substitute in a bread maker?
10. How do you know which instant yeast substitute to choose?

The best instant yeast substitute is active dry yeast, used at about 25% more by weight. Sourdough starter and fresh yeast can also work, while baking powder is better for quick breads because it does not create the same fermented dough.

The right choice depends on what you have, how much time you can give the dough, and whether you want a yeast-style loaf. For a standard bread recipe, another form of baker's yeast is usually the safest swap.

What is the closest instant yeast substitute?

Active dry yeast is the closest instant yeast substitute for most bread recipes. For a direct comparison, see active dry yeast vs instant yeast.

It contains the same type of living yeast, but the granules are larger and often need to be dissolved in warm liquid before mixing.

Use about 1.25 times as much active dry yeast as the instant yeast in the recipe. For example, if the recipe calls for 8 g of instant yeast, use about 10 g of active dry yeast.

Active dry yeast may need a few extra minutes to start working. Look for a light foam or creamy appearance after it sits in warm liquid, but do not use very hot water because excessive heat can damage the yeast.

If you are still choosing between yeast types, our guide to what is instant yeast made of explains how instant yeast differs from other baker's yeast.

Can you replace instant yeast with active dry yeast?

Yes, active dry yeast can replace instant yeast in nearly any yeast bread recipe. For another common choice, compare active dry yeast vs rapid rise yeast.

The main changes are the amount and the mixing method.

Instant yeast can usually go straight into the flour. Active dry yeast is commonly mixed with part of the recipe's warm liquid first, though some brands allow it to be added directly.

Keep the liquid warm rather than hot. A comfortable warm temperature helps the yeast begin working without creating a risk of overheating it.

The dough may rise a little more slowly with active dry yeast. Judge the dough by its size and texture rather than following the clock exactly.

How does fresh yeast compare with instant yeast?

Fresh yeast can replace instant yeast, but you need more of it by weight and a shorter storage window. It is soft and moist, so it is usually crumbled into the liquid before the flour is added.

A common conversion is 3 times as much fresh yeast as instant yeast. If a recipe uses 7 g of instant yeast, start with about 21 g of fresh yeast, then check the package directions if available.

Fresh yeast works well for bakers who use yeast often and can keep it chilled. It is less convenient when you need a shelf-stable ingredient for occasional bread baking.

The dough still needs time to ferment and rise. Fresh yeast is not a shortcut around proofing.

Can sourdough starter replace instant yeast?

Sourdough starter can replace instant yeast when you want a naturally fermented dough and have enough time. It changes the flavor, timing, hydration, and flour balance, so it is not a simple spoon-for-spoon swap.

A starter contains flour and water as well as wild yeast and bacteria. When you add it to a recipe, subtract its flour and water from the original amounts or use a sourdough formula designed for that starter quantity.

The starter should be active, recently fed, and visibly rising before you use it. A flat or neglected starter may not raise the dough reliably.

Expect a longer rise than with instant yeast. Room temperature, starter strength, flour type, and dough temperature all affect the schedule.

Is baking powder a good instant yeast substitute?

Baking powder is useful when you need bread without fermentation, but it does not make the same kind of loaf. It produces gas through a chemical reaction, so the dough can go into the oven soon after mixing.

Use baking powder in a tested quick-bread, biscuit, scone, or soda-bread recipe. A direct swap in a yeast recipe can produce a dense or crumbly result because the flour, liquid, fat, and mixing method are different.

Baking powder suits recipes where speed matters more than a stretchy crumb or fermented flavor. It also avoids the need to keep yeast alive and active.

Do not expect the dough to double in size during a room-temperature rise. The main lift happens during baking.

Can baking soda replace instant yeast?

Baking soda can replace yeast only in a recipe that includes enough acid to activate it. Buttermilk, yogurt, lemon juice, vinegar, or another acidic ingredient may provide that reaction.

Like baking powder, baking soda belongs in a quick-bread formula rather than a standard yeast dough. Too much can leave a soapy taste and a darker crust.

A recipe built around baking soda has a different balance of liquid and acid. Do not add it to a yeast recipe without changing the formula.

For a more predictable result, choose a tested quick bread instead of converting a sandwich bread recipe.

What should you use for pizza dough?

Use active dry yeast for pizza dough when instant yeast is unavailable. It keeps the dough closest to the original recipe, although it may need more time to activate and rise.

Fresh yeast can also work when you want a yeast-based crust and can use the dough soon. Sourdough starter suits a longer fermentation and a tangier flavor.

Baking powder is better for a fast flatbread-style crust than a traditional risen pizza dough. It may be useful for an emergency meal, but the texture will be different.

If you want to compare yeast choices for this specific use, see our guide to the best instant yeast for pizza dough.

How should you adjust a recipe after choosing an instant yeast substitute?

Change one variable at a time: yeast amount, mixing method, or rise time. Keeping the rest of the recipe stable makes it easier to see whether the dough is developing properly.

With active dry yeast, increase the amount by about 25% and activate it in warm liquid when required. With fresh yeast, use about 3 times the weight and dissolve it before mixing.

With sourdough starter, account for the flour and water inside the starter. Use dough volume and feel as your guide because the rise may take much longer.

With baking powder or baking soda, use a quick-bread recipe instead of keeping the original yeast method. These ingredients do not need proofing time.

A kitchen scale helps with yeast conversions because small differences matter in a dough recipe. For flour selection and measurement basics, read our bread flour buying guide.

Can you use an instant yeast substitute in a bread maker?

Active dry yeast can often replace instant yeast in a bread maker, but the machine's ingredient order and program still matter. Check the bread maker manual before changing the yeast type.

Some machines place yeast in a separate dispenser or use a delayed-start program. A substitute that needs immediate activation may not suit a delayed cycle.

Sourdough starter usually needs a custom program or a manual dough cycle because its timing differs from standard bread-machine settings. Baking powder belongs in a quick-bread program, if the machine has one.

For general guidance, see Can You Use Instant Yeast In A Bread Maker? and Best Instant Yeast For Bread Machines.

How do you know which instant yeast substitute to choose?

Choose active dry yeast when you want the closest result, fresh yeast when you want a fresh commercial yeast option, and sourdough starter when you want a longer fermented dough. Choose baking powder or baking soda only when a quick-bread texture suits the meal.

For a normal loaf, start with active dry yeast and adjust the amount modestly. If you are using a specific brand of instant yeast in another recipe, our guide to how to use SAF instant yeast covers common mixing and timing questions.

To compare its two types, see SAF Gold vs Red yeast.

The simple decision rule is: use another baker's yeast for yeast bread, and use chemical leaveners for quick bread. If the recipe is designed for a bread machine, follow its manual before changing the ingredient or timing.

Frequently asked questions

What is the closest substitute for instant yeast?

Active dry yeast is the closest substitute for instant yeast because both are commercial baker's yeast. Use about 25% more active dry yeast than the instant yeast called for, and dissolve it in warm liquid first if the package directions require that step.

Can I use baking powder instead of instant yeast?

Yes, but baking powder changes the bread. It works quickly without a rise time, so the result is more like a quick bread, biscuit, or soda bread than a chewy yeast loaf.

Use a tested quick-bread recipe instead of swapping it into any yeast recipe.

Can sourdough starter replace instant yeast?

Sourdough starter can replace instant yeast when you have enough active starter and time for a longer rise. It also adds flour and water to the dough, so reduce those ingredients and adjust the schedule using a sourdough recipe or a carefully tested conversion.

How much fresh yeast replaces instant yeast?

Fresh yeast usually requires about 3 times the weight of instant yeast, but check the package guidance because strength varies. Keep fresh yeast chilled until use, crumble it into the recipe liquid, and allow enough time for the dough to rise.