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Best Cornstarch Substitute in Chicken Pot Pie

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Cornstarch in Chicken Pot Pie is All-Purpose Flour because it provides a reliable thickening power and maintains the creamy, smooth texture essential for the filling while being readily available and easy to use.

Top 5 Cornstarch Substitutes for Chicken Pot Pie

Substitute Ratio
All-Purpose Flour (Best) 2 tablespoons per 1 tablespoon cornstarch
Rice Flour 2 tablespoons per 1 tablespoon cornstarch
Ground Flaxseed (mixed with water) 1 tablespoon ground flaxseed mixed with 3 tablespoons water per 1 tablespoon cornstarch
Chickpea Flour 1.5 tablespoons per 1 tablespoon cornstarch
Glucomannan Powder 1/2 teaspoon per 1 tablespoon cornstarch

Detailed Guide: Each Cornstarch Substitute in Chicken Pot Pie

All-Purpose Flour (Best Option)

2 tablespoons per 1 tablespoon cornstarch
Vegan Nut-Free
Quick tip: Requires longer cooking to remove raw flour taste but yields a thick, creamy filling with a slightly denser texture.

All-purpose flour thickens by absorbing liquid and swelling during cooking, forming a starch gel that stabilizes the filling. It is less potent than cornstarch, so a higher quantity is needed. The gluten in flour also adds body to the filling, which can be beneficial for the hearty nature of chicken pot pie.

To avoid a pasty or floury taste, it’s important to cook the flour thoroughly in the fat (butter or oil) before adding liquids, essentially making a roux. This step ensures the flour’s starch granules are fully gelatinized and the raw flavor is eliminated.

Compared to cornstarch, flour produces a slightly more opaque and less glossy filling with a thicker, more substantial mouthfeel. This can enhance the rustic appeal of the dish but may lack the silkiness cornstarch imparts.

Rice Flour

2 tablespoons per 1 tablespoon cornstarch
Vegan Gluten-Free Nut-Free
Quick tip: Creates a slightly grainier texture but maintains good thickening and is gluten-free.

Rice flour thickens by gelatinizing starch granules when heated with liquid, similar to cornstarch but with a coarser granule size. This makes it suitable for thickening the chicken pot pie filling without adding gluten.

To optimize texture, it’s best to mix rice flour with cold liquid before heating to prevent clumping. Cooking time should be sufficient to fully hydrate the starch and avoid a raw taste.

The final filling will be less glossy and may have a mild graininess compared to cornstarch, but it remains stable during baking and provides a satisfactory creamy consistency.

Ground Flaxseed (mixed with water)

1 tablespoon ground flaxseed mixed with 3 tablespoons water per 1 tablespoon cornstarch
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Adds a slight nutty flavor and a gel-like consistency, but can alter the filling’s texture and color.

Ground flaxseed forms a mucilaginous gel when mixed with water, which can act as a thickening agent. This gel mimics some of the viscosity cornstarch provides, helping to bind the filling ingredients.

Because flaxseed gel is less neutral than starches, it’s important to balance the flavor profile of the filling. It also thickens differently, so the filling may be less smooth and slightly denser.

The final dish will have a more rustic texture and a subtle nutty undertone, which can complement the savory components but diverges from the classic silky pot pie filling.

Chickpea Flour

1.5 tablespoons per 1 tablespoon cornstarch
Vegan Gluten-Free Dairy-Free Nut-Free
Quick tip: Has a distinct flavor and produces a thicker, slightly grainy texture; best for those who enjoy legume notes.

Chickpea flour thickens by absorbing liquid and swelling starch granules, similar to all-purpose flour but with a stronger flavor profile. It adds protein and fiber, contributing to a hearty filling.

To prevent a raw or bitter taste, chickpea flour should be cooked thoroughly in fat before adding liquids, similar to making a roux. This also helps smooth the texture.

The resulting filling is thicker and less glossy than with cornstarch, with a noticeable earthy flavor that may complement the savory chicken and vegetables but changes the traditional flavor balance.

Glucomannan Powder

1/2 teaspoon per 1 tablespoon cornstarch
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Very potent thickener; use sparingly to avoid overly gelatinous texture.

Glucomannan is a soluble fiber derived from konjac root that forms a highly viscous gel when hydrated. Its strong thickening ability means only a small amount is needed to replace cornstarch.

It thickens quickly at room temperature and remains stable during baking, but excessive amounts can cause a gummy or jelly-like texture. It is best to dissolve it thoroughly in cold liquid before heating.

Compared to cornstarch, glucomannan produces a more elastic and less glossy filling, which may feel unusual in a traditional chicken pot pie but can be useful for low-carb or keto adaptations.

Vegan Cornstarch Substitutes for Chicken Pot Pie

Full Vegan guide →
All-Purpose Flour
Ratio: 2 tablespoons per 1 tablespoon cornstarch

Requires longer cooking to remove raw flour taste but yields a thick, creamy filling with a slightly denser texture.

Rice Flour
Ratio: 2 tablespoons per 1 tablespoon cornstarch

Creates a slightly grainier texture but maintains good thickening and is gluten-free.

Ground Flaxseed (mixed with water)
Ratio: 1 tablespoon ground flaxseed mixed with 3 tablespoons water per 1 tablespoon cornstarch

Adds a slight nutty flavor and a gel-like consistency, but can alter the filling’s texture and color.

Chickpea Flour
Ratio: 1.5 tablespoons per 1 tablespoon cornstarch

Has a distinct flavor and produces a thicker, slightly grainy texture; best for those who enjoy legume notes.

Glucomannan Powder
Ratio: 1/2 teaspoon per 1 tablespoon cornstarch

Very potent thickener; use sparingly to avoid overly gelatinous texture.

Gluten-Free Cornstarch Substitutes for Chicken Pot Pie

Full Gluten-Free guide →
Rice Flour
Ratio: 2 tablespoons per 1 tablespoon cornstarch

Creates a slightly grainier texture but maintains good thickening and is gluten-free.

Ground Flaxseed (mixed with water)
Ratio: 1 tablespoon ground flaxseed mixed with 3 tablespoons water per 1 tablespoon cornstarch

Adds a slight nutty flavor and a gel-like consistency, but can alter the filling’s texture and color.

Chickpea Flour
Ratio: 1.5 tablespoons per 1 tablespoon cornstarch

Has a distinct flavor and produces a thicker, slightly grainy texture; best for those who enjoy legume notes.

Glucomannan Powder
Ratio: 1/2 teaspoon per 1 tablespoon cornstarch

Very potent thickener; use sparingly to avoid overly gelatinous texture.

Dairy-Free Cornstarch Substitutes for Chicken Pot Pie

Full Dairy-Free guide →
Ground Flaxseed (mixed with water)
Ratio: 1 tablespoon ground flaxseed mixed with 3 tablespoons water per 1 tablespoon cornstarch

Adds a slight nutty flavor and a gel-like consistency, but can alter the filling’s texture and color.

Chickpea Flour
Ratio: 1.5 tablespoons per 1 tablespoon cornstarch

Has a distinct flavor and produces a thicker, slightly grainy texture; best for those who enjoy legume notes.

Glucomannan Powder
Ratio: 1/2 teaspoon per 1 tablespoon cornstarch

Very potent thickener; use sparingly to avoid overly gelatinous texture.

❌ What NOT to Use as a Cornstarch Substitute in Chicken Pot Pie

Arrowroot Powder

Arrowroot tends to break down and become slimy when exposed to prolonged baking and acidic ingredients often found in Chicken Pot Pie fillings, resulting in an undesirable texture.

Potato Starch

Potato starch can create a gummy or overly gelatinous texture after baking, which disrupts the delicate balance of the filling's creaminess and mouthfeel.

Tapioca Starch

Tapioca starch thickens well initially but can become stringy or overly elastic after baking, negatively affecting the traditional consistency of the pot pie filling.

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