Potato Starch vs Cornstarch

Potato Starch substitute

Cornstarch (for Potato Starch)

Use the same amount as the potato starch you are replacing

Best for sauces

Different taste

You can substitute potato starch for cornstarch (1:1 ratio) and cornstarch for potato starch (1:1 ratio). Potato starch creates clearer, more glossy results, while cornstarch is more readily available and has a more neutral flavor profile.

Compare all 6 potato starch substitutes

Learn how to substitute potato starch for cornstarch and vice versa. Complete guide covering ratios, cooking tips, and when to use each starch for perfect results in every recipe.

Other potato starch substitutes

Ranked, with the exact amount to use

2Potato Starch (for Cornstarch)
Different taste
Use the same amount
Fine white powder made from potatoes, creates clearer, more glossy results than cornstarch
What changes
Best for
sauces, gravies, puddings, pie fillings, stir-fries, soups
Creates clearer, more glossy results, similar thickening power

How it behaves in this recipe

Potato starch and cornstarch are both excellent thickening agents that can be used interchangeably in most recipes. Potato starch creates clearer, more glossy results, while cornstarch is more readily available and has a more neutral flavor profile. Both work well for thickening, coating, and frying applications.

Cooking tips

Both starches can be used interchangeably in most recipes with a 1:1 ratio
Potato starch creates clearer, more glossy results than cornstarch
Cornstarch is more readily available and has a more neutral flavor profile
Both starches work best when mixed with cold liquid before adding to hot liquids
Heat mixtures to boiling point to activate thickening properties
Stir constantly while adding starch to prevent lumps
For best results, use the starch that's called for in the original recipe
Both starches can be used for coating foods before frying

Notes on potato starch

Use arrowroot powder for acidic foods and clear sauces
Try tapioca starch for gluten-free baking and chewy textures
Use rice flour for gluten-free applications (2:1 ratio)
Consider using all-purpose flour for general thickening (2:1 ratio)

Frequently asked questions

Can I substitute potato starch for cornstarch?

Yes, you can substitute potato starch for cornstarch using a 1:1 ratio. Potato starch creates clearer, more glossy results than cornstarch.

Can I substitute cornstarch for potato starch?

Yes, you can substitute cornstarch for potato starch using a 1:1 ratio. Cornstarch is more readily available and has a more neutral flavor profile.

What's the difference between potato starch and cornstarch?

Both are excellent thickeners, but potato starch creates a slightly clearer, more glossy finish while cornstarch is more readily available and has a more neutral flavor profile.

Which is better for frying - potato starch or cornstarch?

Both work well for frying, but potato starch creates a slightly crispier coating. Cornstarch is more commonly used and readily available.

Can I use both starches together?

Yes, you can use both starches together for unique texture and properties. This is sometimes done in Asian cooking for specific results.