Arrowroot Powder Substitute: Best Alternatives for Any Recipe

The best arrowroot powder substitute for thickening sauces, gravies, and desserts is cornstarch. Use a 1:1 ratio by weight, or approximately 1½ teaspoons of cornstarch for every 1 tablespoon of arrowroot powder. Other excellent options include tapioca starch (same 1:1 ratio), potato starch (1:1 ratio), and all-purpose flour (use 2 tablespoons for every 1 tablespoon of arrowroot powder). Each brings slightly different qualities to your dish, and the best choice depends on whether you’re thickening a sauce, baking, or making a gluten-free recipe.

Quick Comparison Table

Why Arrowroot Powder Matters in Thickening

Arrowroot powder is a pure starch extracted from the arrowroot plant’s rhizomes, making it a nearly flavorless thickening agent beloved by chefs and home cooks alike. When heated with a liquid, the starch granules absorb water and swell, creating a gel-like structure that thickens sauces, gravies, puddings, and pie fillings. What makes arrowroot particularly special is its neutral taste, glossy finish, and ability to thicken at relatively low temperatures without becoming cloudy—qualities that matter especially in delicate desserts, Asian sauces, and recipes where you want a clear, silky texture rather than an opaque one.

The thickening power of any starch depends on its amylose and amylopectin content. Arrowroot’s unique molecular structure means it thickens more efficiently than some alternatives, reaching full thickening power around 140–150°F (60–65°C), and it doesn’t break down as easily with extended cooking or acidic ingredients like lemon juice or vinegar. Additionally, arrowroot produces a clear gel rather than a cloudy one, which is why it’s the traditional choice for fruit pies and Asian cooking. Understanding these properties helps you choose the right substitute: if clarity and flavor neutrality matter most, you’ll want cornstarch or tapioca; if gluten-free baking is your goal, potato starch or rice flour may serve you better.

1. Cornstarch (Best Overall)

Ratio: 1½ teaspoons cornstarch per 1 tablespoon arrowroot powder (or 1:1 by weight)

Cornstarch is the most readily available and reliable arrowroot powder substitute for thickening sauces, gravies, and desserts. It’s made from the endosperm of corn kernels and performs almost identically to arrowroot in most applications. To use cornstarch, mix it with a small amount of cold liquid (water, broth, or juice) to create a slurry—this prevents clumping when you add it to hot liquid. A ratio of 1½ teaspoons cornstarch per 1 tablespoon arrowroot works because cornstarch is slightly less concentrated; some recipes use a true 1:1 weight ratio, which also works well. Add your slurry to simmering liquid while stirring constantly, then let it cook for 1–2 minutes to reach full thickening power.

The main difference you’ll notice with cornstarch is that it produces a slightly more opaque result compared to arrowroot’s crystal-clear finish. In Asian dishes, fruit pies, and desserts where visual clarity matters, this opacity might be noticeable. However, for gravies, cream sauces, and most savory applications, the difference is minimal and completely acceptable. Cornstarch also has a slightly higher thickening power, which is why you need slightly less of it. One note: cornstarch can break down if cooked too vigorously or for extended periods at a rolling boil, so maintain a gentle simmer after thickening.

Texture and taste: Cornstarch creates a silky, slightly glossy texture with virtually no flavor impact. The sauce may appear slightly cloudier than arrowroot would produce, but the difference is subtle in most applications.

Best for: Gravies, cream sauces, fruit pie fillings, custards, stir-fry sauces, and any thickening application where you have cornstarch on hand.

2. Tapioca Starch (Best for Asian Dishes)

Ratio: 1½ teaspoons tapioca starch per 1 tablespoon arrowroot powder (or 1:1 by weight)

Tapioca starch, derived from cassava root, is the closest match to arrowroot in both function and flavor profile. It produces that same beautiful, glossy, crystal-clear finish that makes fruit pies and Asian sauces look restaurant-quality. The ratio is essentially interchangeable with arrowroot—you can use 1:1 by weight, or approximately 1½ teaspoons per 1 tablespoon of arrowroot. Like cornstarch, tapioca starch should be mixed with cold liquid to form a slurry before adding to hot dishes. The thickening power of tapioca is nearly identical to arrowroot, reaching full gel formation at around 140–150°F.

One advantage tapioca starch has over cornstarch is its superior clarity—it creates an almost transparent gel that won’t cloud your sauces or fruit fillings. This makes it particularly prized in professional kitchens and Asian restaurants, where visual appeal is paramount. Tapioca also holds up well to acidic ingredients and extended cooking, so it’s an excellent choice for vinegar-based sauces, lemon curd, and dishes that will be reheated. If you’re making a Chinese stir-fry sauce or a clear fruit glaze, tapioca starch will give you results virtually indistinguishable from arrowroot powder.

Texture and taste: Tapioca creates an exceptionally silky, glossy, and crystal-clear gel with no flavor contribution. Some people notice a very slightly different mouthfeel—slightly less “slippery” than arrowroot—but this is minimal and only detectable in side-by-side comparisons.

Best for: Asian stir-fry sauces, fruit pie and tart fillings, glazes, puddings, and any recipe where clarity and shine are important.

3. Potato Starch (Best for Gluten-Free Baking)

Ratio: 1½ teaspoons potato starch per 1 tablespoon arrowroot powder (or 1:1 by weight)

Potato starch is an excellent arrowroot powder substitute, particularly if you’re working with gluten-free recipes or need a pure starch thickener. Made from potatoes, this starch is completely neutral in flavor and creates a clean, glossy finish similar to arrowroot. The ratio is effectively 1:1 by weight, or about 1½ teaspoons per 1 tablespoon of arrowroot. Prepare it exactly as you would cornstarch or tapioca—mix with cold liquid to create a slurry, then stir into your hot sauce or soup. Potato starch thickens at slightly lower temperatures than cornstarch and produces a particularly silky mouthfeel.

What makes potato starch special is its exceptional clarity and its gentleness—it’s less likely to break down under vigorous cooking or with acidic ingredients. This makes it ideal for delicate sauces, creamy soups, and gluten-free baking applications. Many professional gluten-free bakers prefer potato starch over cornstarch because it produces a lighter, more tender crumb in cakes and pastries. If you’re making a sauce that will be frozen and reheated, potato starch is an excellent choice because it maintains its thickening power through the freeze-thaw cycle better than some alternatives.

Texture and taste: Potato starch delivers a remarkably silky, almost velvety texture with excellent clarity. It produces virtually no flavor and creates a glossy, professional-looking finish in sauces and fillings.

Best for: Gluten-free baking, delicate cream sauces, soups that will be frozen, fruit fillings, and any recipe where you want maximum clarity and silkiness.

4. All-Purpose Flour (Most Accessible Substitute)

Ratio: 2 tablespoons all-purpose flour per 1 tablespoon arrowroot powder

All-purpose flour is one of the most accessible arrowroot powder substitutes because it’s already in nearly every kitchen. The flour contains not just starch but also proteins, so you need about twice as much (2 tablespoons flour per 1 tablespoon arrowroot) to achieve similar thickening power. Create a slurry by whisking the flour with cold liquid—water, broth, milk, or even wine—then add it slowly to your simmering sauce while stirring constantly. All-purpose flour requires longer cooking than pure starches, at least 3–5 minutes at a gentle simmer, to eliminate the raw flour taste and allow the starch granules to fully hydrate.

The trade-off with flour is that you lose the crystal-clear, glossy finish you get with arrowroot or tapioca. Flour-thickened sauces tend to look more opaque and matte, which is perfectly fine for gravies, stews, and rustic preparations but less ideal for elegant fruit pies or Asian dishes. Flour also contributes a slight wheaty flavor to dishes, particularly noticeable in delicate applications. However, for everyday cooking—beef stew, chicken and dumplings, mushroom gravy—flour works beautifully and adds a touch of richness that some cooks prefer. Flour-thickened sauces are also more forgiving; they’re less likely to break down if you accidentally boil them.

Texture and taste: All-purpose flour produces a thicker, more opaque sauce with a matte finish. It contributes a subtle wheaty flavor and creates a slightly heavier mouthfeel than pure starches.

Best for: Gravies, stews, cream sauces, soups, and rustic applications where opaque appearance and added richness are acceptable or desirable.

5. Rice Flour (Best for Asian and Gluten-Free Cooking)

Ratio: 1½ teaspoons rice flour per 1 tablespoon arrowroot powder (or 1:1 by weight)

Rice flour is a versatile starch that works particularly well in Asian cooking and gluten-free applications. Made from ground rice, it’s naturally gluten-free and has a neutral flavor profile similar to arrowroot. The ratio is approximately 1:1 by weight, or about 1½ teaspoons per 1 tablespoon of arrowroot. Prepare rice flour as you would other starches—whisk with cold liquid to prevent lumping, then gradually add to your hot sauce or soup while stirring. Rice flour thickens at slightly higher temperatures than arrowroot, so ensure your liquid is genuinely simmering before adding the slurry.

Rice flour produces a slightly less glossy finish than arrowroot or tapioca, with a texture that’s pleasant but faintly grainy if not cooked long enough. For best results, let the thickened sauce simmer for 2–3 minutes to fully cook out the flour taste and achieve a smooth consistency. In Asian stir-fries and traditional Chinese cooking, rice flour is actually preferred because it creates the authentic slightly opaque, velvety sauce texture that characterizes these dishes. If you’re making gluten-free cooking your focus, rice flour is economical and readily available at most grocery stores.

Texture and taste: Rice flour creates a silky but slightly less glossy sauce with a faint, pleasant nuttiness. The texture is smooth if cooked adequately and contributes no off-flavors.

Best for: Asian stir-fry sauces, gluten-free baking and cooking, cream sauces, and applications where a subtle, delicate flavor is an asset.

6. Xanthan Gum (Best for No-Cook Sauces)

Ratio: ¼ teaspoon xanthan gum per 1 tablespoon arrowroot powder

Xanthan gum is a fermentation-derived thickener that works completely differently from starches, which makes it a uniquely powerful arrowroot powder substitute for certain applications. Because xanthan gum thickens through hydration alone rather than heat-activated gelatinization, it’s the best choice for no-cook sauces, salad dressings, and cold desserts where you can’t rely on heat to activate a starch. A little goes a very long way—just ¼ teaspoon per 1 tablespoon of arrowroot is usually enough, and adding more than needed can quickly turn a sauce gummy or stringy. Whisk xanthan gum vigorously into your liquid, or blend it in, to avoid clumping.

Xanthan gum is also prized in gluten-free baking because it mimics some of the binding and elasticity that gluten would normally provide, helping baked goods hold together. Unlike arrowroot, it doesn’t break down when frozen and thawed, making it an excellent choice for sauces and dressings you plan to store. It’s also stable across a wide pH range, so it won’t lose thickening power in acidic dishes like vinaigrettes or citrus-based sauces. Because it’s so concentrated, precise measuring is essential—use measuring spoons rather than eyeballing the amount.

Texture and taste: Xanthan gum creates a smooth, slightly viscous texture rather than a firm gel, with no flavor of its own. Overuse can produce a slimy or stringy mouthfeel, so start with less than you think you need.

Best for: No-cook sauces, salad dressings, cold desserts, gluten-free baking, and recipes where heat-activated thickening isn’t an option.

7. Cornmeal (Best for Rustic Dishes)

Ratio: 1 tablespoon cornmeal per 1 tablespoon arrowroot powder

Cornmeal is a less conventional but perfectly usable arrowroot powder substitute for rustic, hearty dishes where a smooth, glossy finish isn’t the goal. Ground from dried corn kernels, cornmeal thickens through both starch gelatinization and the sheer bulk of its coarser particles, giving sauces and stews a thicker, more textured consistency. It works especially well in dishes with a Southern or Italian country influence, such as rustic tomato sauces, chili, and stews that are finished with a sprinkle of cornmeal to thicken the last few minutes of cooking. Because cornmeal is coarser than arrowroot, it needs more time on the stove—simmer for at least 5–8 minutes to soften the granules and avoid a gritty finish.

Unlike the pure starches on this list, cornmeal contributes a distinct corn flavor and a pale yellow color, so it’s not a good match for delicate sauces, clear glazes, or desserts where arrowroot’s neutrality is essential. It shines instead in polenta-adjacent dishes, cornmeal-thickened gravies, and rustic braises where a slightly grainy, hearty texture is part of the appeal. If you want a smoother result, look for finely ground cornmeal rather than the coarse, stone-ground variety, which will always retain some texture no matter how long it simmers.

Texture and taste: Cornmeal produces a noticeably grainy, rustic texture with a mild, sweet corn flavor and a pale yellow tint—very different from arrowroot’s smooth, clear gel.

Best for: Rustic tomato sauces, chili, stews, polenta-based dishes, and hearty braises where texture and corn flavor are welcome.

8. Instant Pudding Mix (Best for Sweet Fillings)

Ratio: 2 tablespoons instant pudding mix per 1 tablespoon arrowroot powder

Instant pudding mix is an unconventional but genuinely handy arrowroot powder substitute specifically for sweet applications like pie fillings, dessert sauces, and no-bake dessert layers. The mix already contains modified cornstarch along with sugar and flavoring, so it thickens on contact with cold or warm liquid without any cooking required—simply whisk it directly into milk, cream, or fruit juice. Because it brings its own sweetness and flavor (vanilla, chocolate, banana, and so on), it works best in recipes where those flavors complement the dish, such as banana cream pie, chocolate tarts, or fruit parfaits.

Keep in mind that instant pudding mix will alter both the sweetness and flavor of your finished dish, so it’s not a neutral, drop-in replacement the way cornstarch or tapioca is—you’ll need to reduce or omit any added sugar and flavoring called for elsewhere in the recipe. It’s best reserved for desserts rather than savory sauces or gravies, where its sweetness would be out of place. Because it thickens quickly and sets firm as it chills, it’s an excellent shortcut for last-minute dessert fillings when you don’t have time to cook a custard from scratch.

Texture and taste: Instant pudding mix creates a smooth, creamy, distinctly sweet and flavored filling that sets to a soft, spoonable consistency as it chills.

Best for: Cream pie fillings, dessert parfaits, no-bake tarts, and sweet sauces where added flavor and sweetness are welcome.