Best Cornstarch Substitute in Bread Pudding

Arrowroot powder is a starch extracted from tropical plants and functions similarly to cornstarch by gelatinizing when heated with liquid. It thickens quickly and produces a clear, shiny custard, which is ideal for bread pudding where appearance and texture are key.

When using arrowroot, avoid prolonged high heat as it can break down and lose thickening power. Add it towards the end of cooking or mix it with cold liquid before incorporating to prevent clumping.

Compared to cornstarch, arrowroot yields a slightly more delicate and glossy custard. It does not alter the flavor and keeps the bread pudding’s texture light and creamy, making it the best direct substitute.

Rice flour is a finely milled starch that thickens liquids by absorbing water and swelling when heated. It is less potent than cornstarch, so a higher quantity is needed to achieve similar thickening.

To avoid graininess, sift the rice flour and mix it thoroughly with cold liquid before adding to the custard. It’s best to cook the custard gently to allow full hydration.

The final bread pudding will have a slightly less glossy finish and a more rustic mouthfeel compared to cornstarch, but the custard will still set well and hold moisture.

Ground flaxseed contains soluble fiber that forms a mucilaginous gel when hydrated, which can mimic some thickening properties of starches. This gel helps bind the custard and adds moisture retention.

For best results, mix flaxseed and water well and let it sit for 5-10 minutes before adding to the custard. Be aware that flaxseed gel thickens more slowly and may not produce the same smooth texture.

The bread pudding will have a more rustic texture and a mild nutty flavor, which can complement some recipes but may alter the traditional custard profile.

Instant ClearJel is a pregelatinized modified cornstarch that thickens without heat and remains stable during baking. It is commonly used in commercial baking for consistent texture.

Because it thickens instantly, it can be mixed directly into the custard without pre-cooking. This reduces the risk of lumps and ensures a smooth custard.

The final bread pudding will have a texture very similar to that made with cornstarch, with good stability and a clean flavor, making it a strong alternative if available.

Potato flour is made from whole potatoes and contains starch as well as fiber and protein, which contribute to thickening. It gelatinizes at a similar temperature to cornstarch but can create a denser custard.

To avoid clumping, mix potato flour with cold liquid before adding to the custard. Monitor baking time closely as the custard may set faster.

The bread pudding will have a more substantial mouthfeel and a faint potato flavor, which may not be desirable in all recipes but can work in savory or rustic versions.