Corn Starch - 16 oz

Cadia Everyday Corn Starch is proof that a pantry staple can carry a bigger purpose. Found exclusively at independent neighborhood grocers, this 16 oz box brings the same non-GMO corn starch you'd expect on any national brand's shelf - minus the big-box markup and minus the trip across town.

Milled fine and neutral in flavor, it dissolves cleanly into cold liquid and thickens on contact with heat, delivering a glossy, lump-free finish in gravies, cream sauces, and fruit pie fillings. A light dusting also crisps fried coatings - think tempura batter or pan-seared tofu - into a shattering, golden crust.

For a quick pan sauce, whisk 1 tablespoon of corn starch into 2 tablespoons of cold water to make a slurry, then stir it into simmering liquid until it thickens - no lumps, no cloudiness. For fruit pies, 2 to 3 tablespoons per cup of juice sets a filling that slices cleanly instead of running.

Naturally gluten-free, vegan, and free of the top allergens common to wheat-based thickeners, Cadia Everyday Corn Starch is a trusted gluten-free thickener that holds its thickening power well when stored in a cool, dry pantry, tightly sealed after opening. As a corn-derived carbohydrate, it's not a fit for strict keto, paleo, or carnivore eating patterns, even though it suits most other gluten-free and plant-based diets.

Ingredients: Corn Starch.

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Common Questions

How does this corn starch compare nutritionally to conventional national-brand corn starch?
Pure corn starch is chemically identical regardless of brand: one tablespoon delivers about 30 calories, 7 grams of carbohydrate, 0 grams of fat, 0 grams of protein, and no fiber, whether it comes from a national brand or Cadia. The real differences are upstream — this version is grown from non-GMO corn and certified organic, meaning no synthetic pesticides or fertilizers were used in cultivation, while many conventional corn starches are milled from GMO corn treated with glyphosate-based herbicides. Thickening performance is the same gram-for-gram since both are roughly 73% amylopectin and 27% amylose, the two starch molecules responsible for viscosity. So you're paying for sourcing and certification, not a different ingredient.

What actually makes corn starch thicken liquid, and why does it go cloudy or lumpy if done wrong?
Corn starch granules are packed with amylopectin, a branched starch molecule that swells and absorbs water as it heats past roughly 144-180°F (62-82°C), a process called gelatinization. As the granules swell, they trap water and scatter light less randomly, which is why a properly cooked slurry turns glossy and translucent rather than chalky white. Lumps form when dry starch granules hit hot liquid directly and gelatinize on the outside before water can penetrate the center, sealing in dry powder. Mixing the starch into cold water first (a slurry) lets each granule hydrate evenly before heat is applied, which is why the 1 tablespoon to 2 tablespoons cold water ratio mentioned above works reliably. Overcooking or adding acid after thickening can break the swollen granules back down, thinning the sauce — a mechanism called shear or acid thinning.

Does corn starch fit into keto, paleo, or carnivore eating patterns?
Corn starch is not compatible with strict keto: at 7 grams of carbohydrate per tablespoon with essentially no fiber, it delivers 7 grams of net carbs in a single tablespoon, which can consume a third or more of a typical 20-gram daily net carb allowance in one addition to a sauce. It's also excluded from paleo, since paleo protocols avoid grains and grain derivatives, and corn is botanically a grain regardless of non-GMO status. Carnivore excludes all plant-derived starches entirely, so this product has no place in that framework. For low-carb cooking, alternatives like xanthan gum or glucomannan thicken with a fraction of a gram of carbohydrate per serving, though they behave differently and don't produce the same glossy set.

Can I use this to thicken a beef stew or pork gravy instead of a flour roux?
Yes, and it's a common swap: because corn starch has roughly twice the thickening power of wheat flour, use about half as much — for a recipe calling for 2 tablespoons of flour, start with 1 tablespoon of corn starch slurried in cold water. Stir it into the simmering stew or gravy near the end of cooking rather than at the start, since corn starch loses thickening strength if boiled hard for an extended period or combined with strong acids like wine or tomato reduced too long. The result is a glossier, slightly more translucent sauce than a flour-based roux, which tends to look matte and opaque. It also eliminates the raw-flour taste that under-cooked roux can leave behind, since corn starch has a neutral flavor from the start.

What do the Organic and Non-GMO Project Verified labels on this box actually guarantee?
USDA Organic certification requires the corn be grown without synthetic pesticides, synthetic fertilizers, sewage sludge, or genetic engineering, and the field must go through a documented three-year transition period before certification, verified by an accredited third-party inspector annually. Non-GMO Project Verification is a separate, more specific standard: it requires ingredient-level testing for genetically modified material, with a maximum allowable threshold of 0.9% GMO content, and the supply chain is audited to trace the corn back to verified non-GMO seed stock. Because over 90% of conventional field corn grown in the U.S. is genetically modified, this dual certification matters specifically for a corn-derived product like starch. You can verify both claims independently through the USDA organic database and the Non-GMO Project's product verification lookup, both searchable by brand name.

Why buy this specific brand of corn starch instead of a bigger national label?
Cadia Everyday is distributed specifically through independent neighborhood grocers rather than big-box chains, which keeps the retail markup structure different from what you'd see on a shelf at a large national retailer — the product itself, though, meets the same non-GMO and organic standards as premium national brands. There's no proprietary processing or specialty milling here; it's a straightforward, single-ingredient corn starch meant to be a dependable pantry staple rather than a specialty item. The appeal is getting the certified organic, non-GMO version of a common thickener at a neighborhood store rather than needing to drive to a specialty retailer to find one that carries those certifications.

How long does an opened box actually stay effective, and how can I tell if it's gone bad?
Corn starch is shelf-stable for up to two years from milling when stored in a cool, dry pantry and resealed tightly after each use, since it's a low-moisture powder that doesn't support mold or bacterial growth under normal conditions. The main risk is moisture intrusion, which causes clumping and, over time, can lead to a musty smell or visible mold if the box is stored somewhere humid like above a stove or near a dishwasher. If the starch feels hard-clumped rather than lightly powdery, or has any off odor, its thickening performance may have degraded even if it hasn't spoiled outright. Transferring it to an airtight container after opening extends reliable performance well past what the box alone provides.