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Best Arrowroot Powder Substitute in Stir-Fry

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Arrowroot Powder in Stir-Fry is Cornstarch because it provides a similar glossy finish and thickening power at high heat without altering the flavor.

Top 5 Arrowroot Powder Substitutes for Stir-Fry

Substitute Ratio
Cornstarch (Best) 1 tablespoon cornstarch per 1 tablespoon arrowroot powder
Rice flour 1 tablespoon rice flour per 1 tablespoon arrowroot powder
Kudzu starch 1 tablespoon kudzu starch per 1 tablespoon arrowroot powder
Sweet rice flour (glutinous rice flour) 1 tablespoon sweet rice flour per 1 tablespoon arrowroot powder
Ground flaxseed (as thickener) 1 teaspoon ground flaxseed mixed with 2 tablespoons water per 1 tablespoon arrowroot powder

Detailed Guide: Each Arrowroot Powder Substitute in Stir-Fry

Cornstarch (Best Option)

1 tablespoon cornstarch per 1 tablespoon arrowroot powder
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Quick tip: Provides a similar glossy finish and thickening power; may slightly cloud the sauce compared to arrowroot.

Cornstarch is a common thickening agent derived from corn that gelatinizes at high temperatures, making it ideal for stir-fry sauces. It creates a smooth, glossy texture that clings well to ingredients.

To use cornstarch effectively, dissolve it in a small amount of cold water before adding it to the hot stir-fry to prevent clumping. Avoid prolonged cooking after adding cornstarch to maintain its thickening effect.

Compared to arrowroot, cornstarch may produce a slightly less transparent sauce but will still yield a desirable texture and mouthfeel in stir-fry dishes.

Rice flour

1 tablespoon rice flour per 1 tablespoon arrowroot powder
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Quick tip: Thickens well but can produce a slightly grainier texture and less shine.

Rice flour is a finely milled flour that can act as a thickener by absorbing liquid and swelling when heated. It works in stir-fry sauces by providing body and mild thickening.

For best results, mix rice flour with cold water before adding to the stir-fry to avoid lumps. It requires slightly longer cooking to fully thicken and eliminate any raw flour taste.

The final sauce will be less glossy and may have a slightly gritty mouthfeel compared to arrowroot, but it remains a viable gluten-free option.

Kudzu starch

1 tablespoon kudzu starch per 1 tablespoon arrowroot powder
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Quick tip: Creates a clear, smooth sauce but is less common and more expensive.

Kudzu starch is a traditional Japanese thickener that gels at lower temperatures and produces a clear, smooth texture similar to arrowroot. It is heat-stable and works well in quick-cooking stir-fry sauces.

Because kudzu starch is less common, ensure it is fully dissolved in cold water before adding to the hot pan. Avoid overheating to prevent breakdown of the starch.

The resulting sauce will closely mimic arrowroot’s clarity and texture, making it an excellent but less accessible substitute.

Sweet rice flour (glutinous rice flour)

1 tablespoon sweet rice flour per 1 tablespoon arrowroot powder
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Quick tip: Thickens effectively but can make the sauce slightly sticky and opaque.

Sweet rice flour contains more amylopectin starch, which provides strong thickening and a sticky texture when heated. It can thicken stir-fry sauces quickly and bind ingredients well.

Mix sweet rice flour with cold water before adding to prevent lumps. Use sparingly as it can thicken aggressively and alter the sauce’s mouthfeel.

Compared to arrowroot, it produces a less transparent and more viscous sauce, which may be desirable in some stir-fry styles but less so in others.

Ground flaxseed (as thickener)

1 teaspoon ground flaxseed mixed with 2 tablespoons water per 1 tablespoon arrowroot powder
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Adds a nutty flavor and slightly grainy texture; less neutral than starches.

Ground flaxseed forms a gel when mixed with water due to its soluble fiber content, which can act as a thickener. However, it imparts a distinct flavor and texture that differs from neutral starches.

Use flaxseed gel cautiously in stir-fry as it can change the sauce’s appearance and mouthfeel. It is best added at the end of cooking to preserve its thickening properties.

The final dish will have a more rustic texture and noticeable flavor, making it less ideal as a direct arrowroot substitute but useful for adding fiber and nutrition.

Vegan Arrowroot Powder Substitutes for Stir-Fry

Full Vegan guide →
Cornstarch
Ratio: 1 tablespoon cornstarch per 1 tablespoon arrowroot powder

Provides a similar glossy finish and thickening power; may slightly cloud the sauce compared to arrowroot.

Rice flour
Ratio: 1 tablespoon rice flour per 1 tablespoon arrowroot powder

Thickens well but can produce a slightly grainier texture and less shine.

Kudzu starch
Ratio: 1 tablespoon kudzu starch per 1 tablespoon arrowroot powder

Creates a clear, smooth sauce but is less common and more expensive.

Sweet rice flour (glutinous rice flour)
Ratio: 1 tablespoon sweet rice flour per 1 tablespoon arrowroot powder

Thickens effectively but can make the sauce slightly sticky and opaque.

Ground flaxseed (as thickener)
Ratio: 1 teaspoon ground flaxseed mixed with 2 tablespoons water per 1 tablespoon arrowroot powder

Adds a nutty flavor and slightly grainy texture; less neutral than starches.

Gluten-Free Arrowroot Powder Substitutes for Stir-Fry

Full Gluten-Free guide →
Cornstarch
Ratio: 1 tablespoon cornstarch per 1 tablespoon arrowroot powder

Provides a similar glossy finish and thickening power; may slightly cloud the sauce compared to arrowroot.

Rice flour
Ratio: 1 tablespoon rice flour per 1 tablespoon arrowroot powder

Thickens well but can produce a slightly grainier texture and less shine.

Kudzu starch
Ratio: 1 tablespoon kudzu starch per 1 tablespoon arrowroot powder

Creates a clear, smooth sauce but is less common and more expensive.

Sweet rice flour (glutinous rice flour)
Ratio: 1 tablespoon sweet rice flour per 1 tablespoon arrowroot powder

Thickens effectively but can make the sauce slightly sticky and opaque.

Ground flaxseed (as thickener)
Ratio: 1 teaspoon ground flaxseed mixed with 2 tablespoons water per 1 tablespoon arrowroot powder

Adds a nutty flavor and slightly grainy texture; less neutral than starches.

Dairy-Free Arrowroot Powder Substitutes for Stir-Fry

Full Dairy-Free guide →
Cornstarch
Ratio: 1 tablespoon cornstarch per 1 tablespoon arrowroot powder

Provides a similar glossy finish and thickening power; may slightly cloud the sauce compared to arrowroot.

Rice flour
Ratio: 1 tablespoon rice flour per 1 tablespoon arrowroot powder

Thickens well but can produce a slightly grainier texture and less shine.

Kudzu starch
Ratio: 1 tablespoon kudzu starch per 1 tablespoon arrowroot powder

Creates a clear, smooth sauce but is less common and more expensive.

Sweet rice flour (glutinous rice flour)
Ratio: 1 tablespoon sweet rice flour per 1 tablespoon arrowroot powder

Thickens effectively but can make the sauce slightly sticky and opaque.

Ground flaxseed (as thickener)
Ratio: 1 teaspoon ground flaxseed mixed with 2 tablespoons water per 1 tablespoon arrowroot powder

Adds a nutty flavor and slightly grainy texture; less neutral than starches.

❌ What NOT to Use as a Arrowroot Powder Substitute in Stir-Fry

All-purpose flour

All-purpose flour does not dissolve as cleanly in the quick, high-heat environment of stir-frying and can leave a cloudy, pasty texture. It also requires longer cooking to eliminate raw flour taste, which is impractical in stir-fry.

Tapioca starch

While similar to arrowroot, tapioca starch can become overly gummy and stringy when exposed to the high heat and constant stirring in stir-fry, leading to an undesirable texture.

Potato starch

Potato starch breaks down quickly under high heat and vigorous stirring common in stir-fry, causing it to lose thickening ability and resulting in a thinner sauce.

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