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How to substitute erythritol for sugar

4 options, ranked, with the exact amount

Use thisBest of 4 options

Use Granulated erythritol

1 1/3 cups for every cup of sugar

Use 1 1/3 cups of plain granulated erythritol for each cup of sugar, because erythritol is about 70 percent as sweet. Blends sold to measure like sugar, such as Swerve or Lakanto Classic, replace it cup for cup, so check the bag. Erythritol does not caramelize, feed yeast or hold moisture, and it leaves a cooling aftertaste.

Verdict —
You'll taste it
The tweak —
Use 1 1/3 cups per cup of sugar, cream or whisk it a little longer because it dissolves slowly, and start checking the bake 5 minutes early.
Best for —
crisp cookies and shortbread

One casethe full sugar card

Every option, one card

Ranked
Sugar substitutes compared
SubstituteInstead of 1 cup sugar
Granulated erythritolcrisp cookies and shortbread1 1/3 cupsYou'll taste it
Erythritol blend that measures like sugareveryday sugar-free baking1 cupYou'll taste it
Half erythritol, half sugarchewy cookies and brownies½ cup sugar + 2/3 cup erythritolTweak it
Allulosecaramel sauce and soft cookies1 1/3 cupsTweak it
Erythritol in caramel, candy or yeast breadnot a swapNot for this
What changes4 options

Granulated erythritol

clean and sweet, with a cooling sensation like mint without the flavor

A sugar alcohol sold as white crystals that look like sugar. It gives the bulk a recipe needs, with close to zero calories, at about 70 percent of the sweetness.

Best for
crisp cookies and shortbread, cakes, muffins and quick breads, hot drinks
Prep
Use 1 1/3 cups per cup of sugar, cream or whisk it a little longer because it dissolves slowly, and start checking the bake 5 minutes early.
Suits
vegan, keto
Where it fails
Caramel, toffee and candy, where it will not brown or reach a candy stage like sugar; yeast doughs, where it does not feed the yeast; and syrups, puddings and ice cream, where it recrystallizes as it cools and turns gritty or rock hard.

Large amounts can cause bloating or a laxative effect in some people.

Erythritol blend that measures like sugar

close to sugar; the cooling note is still there

Erythritol with a little monk fruit, stevia or oligosaccharide added to bring it up to the sweetness of sugar. Swerve and Lakanto Classic are sold this way.

Best for
everyday sugar-free baking, recipes where you do not want to redo the math
Prep
Confirm on the bag that it replaces sugar cup for cup, then measure it as you would sugar.
Suits
vegan, keto
Where it fails
The same places as plain erythritol: it will not caramelize, feed yeast or stay smooth once a syrup cools.

Half erythritol, half sugar

very close to the original

Keeping half the sugar keeps most of the browning, spread and moisture, and hides the cooling aftertaste.

Best for
chewy cookies and brownies, cakes that should stay moist for a few days
Where it fails
Not sugar-free, so it does not fit a keto or no-sugar recipe.

Allulose

close to sugar, with no cooling effect

The sugar-free sweetener to reach for where erythritol fails. It is also about 70 percent as sweet, but it browns, caramelizes and stays soft.

Best for
caramel sauce and soft cookies, ice cream and custards, syrups that must stay smooth
Prep
Lower the oven 25°F and check early, because it browns much faster than sugar.
Suits
vegan, keto
Where it fails
Crisp cookies and meringues: allulose holds moisture and keeps bakes soft.

Erythritol in caramel, candy or yeast bread

not applicable

These recipes depend on what sugar does chemically, not on its sweetness.

Best for
nothing here: keep the sugar or use allulose for caramel
Where it fails
Erythritol melts and then sets back into hard crystals without turning amber, so there is no caramel, fudge or brittle. Yeast cannot ferment it, so keep at least the 1 to 2 tsp of real sugar a bread recipe uses to feed the yeast.

Tips for substituting sugar

5 tips
  1. Smaller measures of plain erythritol: 4 tsp per tablespoon of sugar, 1/3 cup per ¼ cup, and 2/3 cup per ½ cup.
  2. For frosting, whipped cream, cold drinks and anything uncooked, use powdered erythritol or grind the granules in a blender for 30 seconds. The crystals do not dissolve well in cold or fatty mixtures and stay crunchy.
  3. Cookies made with erythritol spread less. Flatten the dough to the thickness you want before it goes in the oven.
  4. Bakes do not brown much, so use a skewer or set edges to judge doneness, not color.
  5. Store erythritol bakes airtight and eat them within a day or two. They dry out and turn hard faster than sugar bakes.

Questions

5 questions

Is erythritol a 1:1 substitute for sugar?

Plain erythritol is not: it is about 70 percent as sweet, so use 1 1/3 cups per cup of sugar. Blends that add monk fruit or stevia are made to be 1:1. The bag says which you have. If it lists only erythritol, use the larger amount.

Can I use erythritol in place of sugar in baking?

Yes, in cookies, cakes, muffins and quick breads. Expect less browning, less spread, a drier crumb and a cooling aftertaste that is strongest in plain vanilla bakes. Replacing half the sugar instead of all of it removes most of those differences.

Why does erythritol taste cold?

Erythritol absorbs heat as it dissolves on the tongue, which reads as a cooling sensation. It is more obvious in frostings, shortbread and other recipes with a lot of sweetener and little else. Chocolate, spice and blends with monk fruit or allulose mask it.

Does erythritol dissolve like sugar?

It dissolves more slowly and less of it stays dissolved. Stir it into hot liquid, not cold. In a syrup, pudding or sauce it can come back out as crystals once chilled, which is why allulose is the better pick for those.

Does erythritol count as sugar or carbs?

It has no sugar and close to zero calories. Nutrition labels list it under total carbohydrate as a sugar alcohol, about 4 grams per teaspoon.