Pie Thickener (2024)

Pie Thickener (1)

How to make your best filling.

You eagerly cut into your gorgeous fruit pie and… No! Its filling is awash in a sea of juice. Did you misjudge how much thickener to use? Ensure that your apple, blueberry, cherry, and other fruit pie fillings are perfectly thickened by following this handy guide.

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All-purpose flour is an easy solution, as you’re sure to have it in your pantry. Since it’s lower in starch, you'll use more of it than you would higher-starch thickeners.

Quick-cooking tapioca makes filling bright and clear, but also gives it a stippled and somewhat sticky texture. Filling mixed with tapioca needs to rest 15 to 30 minutes before baking, for the tapioca to soften.

Instant ClearJel keeps fillings thick through a great range of temperatures, making it ideal for pies that are frozen, before or after baking.

Pie Filling Enhancer thickens fruit pie fillings the same way Instant ClearJel does. Its advantage is added ascorbic acid (which adds a bright, tart note), and superfine sugar, which prevents it from clumping. Pie Filling Enhancer is about half sugar, so you'll want to reduce the sugar in your recipe accordingly.

Cornstarch has thickening power similar to Instant ClearJel. Like flour, it lends a cloudy, semi-transparent look to filling. It can also give filling a starchy taste. For full effectiveness, make sure the pie filling is bubbling up through the crust before removing your pie from the oven.

Pie Thickener (2)

Apples

Need the least amount of thickener, since they're less juicy. They're also high in natural pectin; pectin helps filling thicken.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour1 3/4 tsp1/4 cup + 2 tsp
Instant ClearJel1/2 tsp1 tbsp + 1 tsp
Cornstarch1/2 tsp1 tbsp + 1 tsp
Quick-cooking tapioca3/4 tsp2 tbsp
Pie Filling Enhancer1 1/2 tsp
Reduce sugar by 3/4 tsp
1/4 cup
Reduce sugar by 2 tbsp

Blackberries & Raspberries

Are very juicy, and release even more liquid if they've been frozen; they need more thickener than apples.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour1 tbsp + 1 tsp1/2 cup + 2 tbsp + 1 tsp
Instant ClearJel2 3/4 tsp1/4 cup + 3 tbsp + 1 tsp
Cornstarch1 tbsp1/2 cup
Quick-cooking tapioca1 tbsp1/2 cup
Pie Filling Enhancer1 tbsp + 2 tsp
Reduce sugar by 2 1/2 tsp
3/4 cup + 2 tsp
Reduce sugar by 6 tbsp + 1 tsp

Blueberries

These have a lot of pectin; they'll need a little less thickener than other berries.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour1 tbsp1/2 cup
Instant ClearJel2 tsp1/3 cup
Cornstarch2 1/2 tsp6 tbsp + 2 tsp
Quick-cooking tapioca1 1/2 tsp1/4 cup
Pie Filling Enhancer1 tbsp + 1 tsp
Reduce sugar by 2 tsp
1/3 cup
Reduce sugar by 2 tbsp + 2 tsp

Cherries

Fresh cherries will need slightly less thickener than canned or frozen.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour1 tbsp1/2 cup
Instant ClearJel2 1/2 tsp6 tbsp + 2 tsp
Cornstarch2 1/2 tsp6 tbsp + 2 tsp
Quick-cooking tapioca1 1/4 tsp3 tbsp + 1 tsp
Pie Filling Enhancer1 tbsp + 1/2 tsp
Reduce sugar by 2 tsp
1/2 cup + 1 tbsp + 1 tsp
Reduce sugar by 1/4 cup + 2 tsp

Peaches

Don't have quite as much pectin as apples; they're also juicier, so will require more thickener.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour2 1/2 tsp6 tbsp + 2 tsp
Instant ClearJel2 1/2 tsp6 tbsp + 2 tsp
Cornstarch2 1/2 tsp6 tbsp + 2 tsp
Quick-cooking tapioca1 1/2 tsp1/4 cup
Pie Filling Enhancer1 tbsp + 2 tsp
Reduce sugar by 2 1/2 tsp
3/4 cup + 1 tbsp + 1 tsp
Reduce sugar by 6 tbsp + 2 tsp

Strawberry/rhubarb

The juiciest fruit with the least amount of pectin; these will require the most thickener.

ThickenerFor 1 cup of fruitFor one 9" pie (8 cups of fruit)
All-purpose flour1 tbsp + 1 1/2 tsp3/4 cup
Instant ClearJel2 1/2 tsp6 tbsp + 2 tsp
Cornstarch1 tbsp + 1/4 tsp1/2 cup + 2 tsp
Quick-cooking tapioca2 1/2 tsp6 tbsp + 2 tsp
Pie Filling Enhancer2 tbsp
Reduce sugar by 1 tbsp
1 cup
Reduce sugar by 1/2 cup

Disclaimer: The information on this chart may differ from other recipes. If you’re following a King Arthur recipe, follow the quantity listed on the recipe for the best results.

Tips

Through thin and thick

Pie Thickener (3)
  • Remember that fresh farmers market fruit, especially berries, is often juicier than fruit you buy at the supermarket. Adjust your thickener accordingly.
  • Because steam from the filling is able to evaporate more quickly in streusel- or lattice-topped pies, as well as in those topped with pastry cutouts, these require a bit less thickener than pies made with a solid top crust.
  • To prevent your filling from clumping, mix thickener with the sugar in your recipe before adding to the fruit.
  • A just-baked fruit pie’s filling will be very hot out of the oven, and quite messy to serve. The filling will set as it cools; be sure to let your pie cool completely before cutting and serving.

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Pie Thickener (2024)

FAQs

What can I use to thicken pie filling? ›

Very often flour or cornstarch is used, but in certain instances tapioca, arrowroot and potato starch can also help achieve the desired consistency. Tapioca starch is preferable for products that will be frozen because it will not break down when thawed. We like tapioca in blueberry, cherry or peach pies.

Is flour or cornstarch better for thickening pie filling? ›

Cornstarch is faster-acting than flour and forms a smooth, relatively clear filling. Just be aware that too much cornstarch can create a slimy texture. When cornstarch is combined with acidic ingredients such as rhubarb or lemon juice, it can cause the texture to break down over time.

How do you thicken sauce for pie filling? ›

All-purpose flour is an easy solution, as you're sure to have it in your pantry. Since it's lower in starch, you'll use more of it than you would higher-starch thickeners. Quick-cooking tapioca makes filling bright and clear, but also gives it a stippled and somewhat sticky texture.

Is there a substitute for clear jel? ›

For Compotes and Pie fillings—Substitute equal parts cornstarch for Instant Clearjel and cook all filling ingredients over the stove until you reach your desired thickness. Cornstarch requires heat to thicken, so it will take more time, but you should be able to reach similar results.

How to fix runny pie filling? ›

If you're making homemade fruit pie filling and it's always runny and wet, add a tablespoon or two more of cornstarch to it and cook it in the microwave for about three minutes or until it's thick, then put it in the pie shell and bake it. Should come out fine, let it completely cool before you cut and serve the pie.

What can I use instead of cornstarch to thicken apple pie filling? ›

All-purpose flour is an easy substitute for cornstarch; in fact you may see recipes for thickening pie fillings or soups with either. You'll need 2 tablespoons of flour for every 1 tablespoon of cornstarch in a recipe.

What is the most appropriate starch to use for thickening cream pie fillings? ›

There are plenty of situations that require the thickening power of a pantry starch: your pie filling, soup, sauce, gravy. Cornstarch, tapioca starch (also known as tapioca flour), arrowroot, potato starch and plain old wheat flour are typical options.

What is the best thickener for baking? ›

Thickeners used in Baking. Arrowroot is the powdered root grown in the Caribbean. It is used to thicken glazes, fruit fillings, and puddings and has a glossy finish. Arrowroot thickens at a lower temperature than cornstarch or flour making it ideal for thickening products that should not boil.

Will homemade pie filling thicken as it cools? ›

And, finally, as much as a steaming-hot slice of apple pie sounds appealing, let your pie rest for at least an hour before slicing. The filling will thicken as it cools and don't worry—your pie will still be plenty warm enough to gently melt that scoop of vanilla ice cream on top of it.

Is it better to thicken with flour or cornstarch? ›

Because cornstarch is pure starch, it has twice the thickening power of flour, which is only part starch. Thus, twice as much flour is needed to achieve the same thickening as cornstarch. To thicken sauces, cornstarch is combined with cold water first, which is called a slurry.

How do you thicken pastry filling? ›

Cornstarch thickens the pastry cream without imparting a floury flavor. Bringing pastry cream to a bubble deactivates the yolk's starch-dissolving amylase. Finishing with butter adds shine and flavor.

What is clear gel for pie filling? ›

Instant ClearJel is made of only one ingredient: modified food starch. While modified food starch can be made from a number of ingredients, including wheat, potatoes, and tapioca, ClearJel is derived from corn that has been ground and processed to sort out specific starches with certain sought-after gelling properties.

Is sure jell the same as clear jel? ›

Instant Clear Jel® is freezer stable, thus popular but not necessary when freezing pie filling. Always check the label before buying to ensure it is the cooking variety and not instant. Aren't Sure Jell® and Clear Jel® the same? No, each commercially branded product serves a different purpose.

What is the difference between clear jel and cornstarch? ›

Clear Jel is used like regular cornstarch but is more stable at room temperature so it is particularly good for canning. It is activated by coming into contact with hot liquid. It can be mixed in with dry ingredients when baking with fruit, or mixed with a bit of liquid and added to hot liquids to thicken sauces.

What to use instead of cornstarch for thickening? ›

Here are five of the best cornstarch substitutes for all your thickening needs.
  • All-Purpose Flour. Yep, that's right — all-purpose flour is a very stable thickener. ...
  • Arrowroot Powder. ...
  • Potato Starch. ...
  • Rice Flour. ...
  • Tapioca Starch.
Jun 23, 2023

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