Water Chestnut Flour

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Mildly sweet and starchy, used for thickening and savory blends.

Updated October 4, 2026 (UTC)

Protein

60%

Absorption

128g

Per Cup

9mo

Shelf Life Estimate

Absorption estimate

60% · 45–400% across the gluten-free flours here

Lower estimate (45%)Higher estimate (400%)

This flour has a relatively low absorption estimate. For the liquid amount, start with a recipe that uses it. Compare flour estimates →

Binder Starting Estimates

Use water chestnut flour for thickening or as the starch ingredient in a blend recipe. The converter gives guidance for those uses; keep the recipe’s flour and egg amounts.

When to Choose Water Chestnut Flour

Use this starch in a recipe that defines its share alongside other flours. The converter gives blend guidance for starches in place of a whole-flour replacement amount.

Role in blends: You'll find this starch in flour blends. Keep its share tied to your recipe's full blend when deciding how much to use.

As a thickener: Water Chestnut Flour has thickening among its suggested uses. For a sauce or pudding, take the amount from a recipe written for this starch; the flour swap factor applies to a different job.

Compare side-by-side in the Flour Database. For conversion amounts, use the Flour Converter. See methodology for data sources.

Recipe Uses

ThickeningFlour BlendsSavory Baking

Compared with All-Purpose Wheat Flour

Protein

3%-71%

Absorption

60%-29%

Density

128g/cup+2%

All-purpose wheat flour: 10.3% protein, 85% absorption, 125g/cup

Storage

Keep water chestnut flour airtight in a cool, dry place; reseal after use to keep moisture out. Rough shelf-life estimate: 9 months. Use your bag's date and storage directions when deciding whether to use it.

Certification

Check the specific product: Certification varies by product. A flour category does not establish certification for any bag; check the packaging and maker’s information.

Conversion guidance for Water

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