Cassava Flour
Cassava flour is made by peeling, drying, and grinding the whole cassava root (also called yuca or manioc) into a fine, off-white powder. Unlike tapioca starch, which is extracted purely from the root's starch, cassava flour uses the entire root, giving it more fiber and a slightly heavier texture. It's naturally gluten-free, grain-free, and nut-free, which has made it popular in paleo baking as a near one-to-one substitute for wheat flour in many recipes.
Varieties
Cassava flour and tapioca starch both come from the cassava root but are processed differently: cassava flour is the whole root dried and ground, while tapioca starch is the pure starch washed out and extracted from the root's pulp. This is why they can't be swapped one-to-one; tapioca starch has far more thickening power and none of the fiber or root flavor.
Buying tips
Check the label for 'cassava flour' specifically, not 'tapioca flour' or 'tapioca starch,' since the three are often shelved together and behave very differently in recipes. Look for a fine, uniform powder without visible lumps or a grayish tint, which can indicate age or improper drying.
Substitutes
All-purpose wheat flour — 1:1
Works if gluten isn't a concern; expect a slightly lighter, more elastic crumb than cassava flour produces since gluten changes the structure.
Tapioca starch (tapioca flour) — 1:2 for thickening, not a direct baking swap
Tapioca starch is pure extracted starch with much stronger thickening power. Use about half as much for sauces or gravies; it won't replicate cassava flour's structure in baked goods.
Rice flour (white) — 1:1
A reasonable gluten-free stand-in for structure, but the result is often drier and more crumbly; adding an extra egg or tablespoon of fat helps.
Arrowroot starch — 1:2 for thickening
Like tapioca, arrowroot is a concentrated starch, so use roughly half the amount when replacing cassava flour in sauces or as a coating.
Storage
Store in an airtight container in a cool, dry pantry for up to a year; refrigeration isn't necessary but extends shelf life further in humid climates. Keep away from moisture, since cassava flour clumps easily if it absorbs ambient humidity.
How to use
Used for gluten-free breads, tortillas, pancakes, and cookies, and as a light coating for frying fish or chicken. Because it lacks gluten, recipes built specifically around cassava flour (rather than swapped in from a wheat recipe) tend to turn out best. It also works as a thickener for stews in smaller amounts than a wheat-based roux would require.
What it pairs with
Pairs well in recipes alongside coconut flour or arrowroot starch to balance texture in grain-free baking, and works especially well in tortillas served with braised meats or beans.
Nutrition
Cassava flour is higher in resistant starch and fiber than tapioca starch since it uses the whole root, though it's still primarily a carbohydrate with minimal protein or fat. It's naturally gluten-free but is not low-carb or low-calorie.
FAQ
Is cassava flour the same as tapioca flour?
No. Cassava flour is made from the whole dried root, while tapioca flour (tapioca starch) is the extracted starch only. Tapioca starch thickens much more strongly and lacks the fiber cassava flour retains.
Can cassava flour replace all-purpose flour in any recipe?
Not reliably in recipes that depend on gluten for structure, like yeasted bread. It works best in recipes specifically developed for it, or in flatbreads, pancakes, and cookies where gluten development matters less.
Why did my cassava flour baked good turn out gummy?
This usually means too much liquid relative to flour, since cassava flour absorbs moisture differently than wheat flour. Reducing liquid slightly or letting the batter rest for a few minutes before baking often fixes it.
Is cassava flour safe to eat raw, like in cookie dough?
Yes, unlike raw wheat flour, properly processed cassava flour has already been cooked during production and carries no raw-flour food safety risk.
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