Anthony's Organic Arrowroot Flour, 4 lb, Batch Tested Gluten
✅ PROS
- Batch-tested for gluten with results available online — real reassurance for celiac shoppers
- Fine, powdery texture dissolves cleanly in cold liquids without clumping
- 4 lb resealable bag beats the tiny 8 oz jars at the grocery store on price per ounce
❌ CONS
- No scoop included — you'll need your own measuring spoon
- Resealable zipper can tear if you're not careful; transfer to a jar if you store it long-term
The Verdict
Let’s get one thing straight: arrowroot powder is not a 1:1 flour substitute for bread. It doesn’t have gluten’s elasticity, and if you treat it like wheat flour, you’ll end up with gummy, dense bricks. But for thickening sauces, crisping up gluten-free baked goods, and making chewy cookies that don’t crumble on the first bite, it’s indispensable. Anthony’s Organic version is the one I keep coming back to.
What you actually get
The 4 lb bag is substantial — roughly twice the size of the typical Bob’s Red Mill jar. The powder inside is fine, silky, and pure white, with a neutral smell. You’re paying for the convenience of a bulk size, but you’re also paying for the testing. Anthony’s posts batch-specific gluten test results online, which matters if you’re genuinely celiac, not just gluten-sensitive. The bag itself is resealable with a zipper top, though I’d recommend transferring to a glass jar for long-term storage — the zipper works fine for a few weeks but can wear out with heavy use.
How it performs in real cooking
I tested this three ways: a classic pan sauce, gluten-free pancakes, and a fruit pie filling. The pan sauce was the star — a tablespoon whisked into cold stock dissolved instantly with zero lumps, and it thickened to a glossy finish without turning cloudy. Pancakes got a noticeably crisper edge and a tender crumb, though they needed an extra egg for structure. Pie filling set beautifully, but here’s the tradeoff: arrowroot-thickened fillings can turn slightly slimy if you overheat them or let them sit too long. Keep heat moderate and serve promptly.
One thing I noticed: arrowroot is more forgiving than cornstarch in acidic liquids. If you’re thickening a tomato-based sauce or something with citrus, this won’t break down the way cornstarch can. That’s a real advantage.
What buyers consistently praise
The 4.8-star rating over 240 reviews isn’t accidental. The most common compliments fall into three buckets:
- Texture and performance: “Finally a thickener that doesn’t leave my gravy tasting like paste. Dissolves clean and doesn’t clump.”
- Gluten-free confidence: “I’ve used this for two years with my celiac daughter. The batch testing gives me peace of mind no other brand offers.”
- Value: “This bag lasts me six months of heavy baking. Way cheaper than the tiny jars at the store.”
Where it falls short
Honestly, the product itself is solid. The downsides are practical: no scoop included, so you’ll need your own measuring spoons. And the 4 lb size is a commitment — if you only use arrowroot occasionally, it can sit in your pantry for a year or more. Arrowroot doesn’t spoil quickly, but it can absorb moisture if stored poorly, which ruins the texture. Also, if you’re expecting a direct wheat flour replacement for yeast breads, you’ll be disappointed. It’s a thickener and a texture enhancer, not a standalone flour.
Who should buy this
- Gluten-free bakers who want crisper crusts and chewier cookies without gritty rice flour textures
- Home cooks who make stir-fries, gravies, or fruit pies regularly and want a clean, neutral thickener
- Celiac households where batch testing is non-negotiable
Skip it if you only need arrowroot once a month — buy the smaller 1 lb size instead.
FAQ
Q: Can I substitute arrowroot flour 1:1 for cornstarch? A: Yes, but adjust liquid amounts slightly. Arrowroot thickens at a lower temperature and can thin out if boiled too long. Use about 2 teaspoons per cup of liquid instead of the standard tablespoon of cornstarch.
Q: Does this need to be cooked before eating? A: Yes. Unlike some starches, raw arrowroot has an unpleasant chalky texture. It needs heat to activate its thickening properties, so always incorporate it into cooked dishes.
Q: How long does the 4 lb bag last? A: Stored in a cool, dry place (or a sealed jar), it stays good for up to two years. I’d say a typical household gets 6–12 months of regular use from this size.
The Verdict: 4.6/5 — Buy it if you bake or cook gluten-free regularly. Skip it if you need a wheat flour replacement. The batch testing, clean texture, and bulk value make it the best arrowroot option on Amazon for the price. It’s not perfect, but it’s close.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.