Pie Thickener (2024)

Pie Thickener (1)

How to make your best filling.

Excitedly slicing into your beautiful baked fruit pie, only to find its luscious filling swimming in excess juice? Wondering if you miscalculated the thickening agent when improvising with your favorite combination of fruits? Ensure your apple, blueberry, cherry, and other baked fruit pie fillings achieve ideal consistency with this helpful guide.

Please note: 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.

Our five favorites

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
See Also
Meat Pies

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 and/or Rhubarb

The juiciest fruits 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

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 is a good thickener for 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.

What are 2 thickening agents used in pies? ›

Types of Pie Thickeners
  • All-Purpose Flour. Flour is a popular thickener for sauces and soups, and it can be used to add body to your fruit filling. ...
  • Cornstarch. ...
  • Arrowroot. ...
  • Quick-Cooking Tapioca. ...
  • Instant ClearJel.
Oct 29, 2018

Is cornstarch or flour better for thickening pie? ›

Which one you use is a matter of personal preference. Cornstarch makes for a shiny, glossy filling. A little goes a long way because it has twice the gelling power of flour. Flour thickens nicely but leaves more of a matte finish.

What is the best way to thicken meat 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.

How do you keep pie filling from being runny? ›

Adding Thickener

A thickener prevents the filling from being too watery by adding a substance that will absorb some of the liquid that seeps out of the fruit. A small amount of thickener should not alter the flavor of your pie. Use cornstarch as a thickener.

How to thicken no bake pie filling? ›

Clear Jel powder {the cooking type} is simply modified corn starch and works well to keep fillings nice and thick whether you are going to cook them right away, or stash in the freezer for later. Clear Jel powder also works great to thicken up cream pies too.

What is the most commonly used thickening agent? ›

Cornstarch is the most common thickening agent used in the industry. It is mixed with water or juice and boiled to make fillings and to give a glossy semi-clear finish to products.

What is a substitute for cornstarch in 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.

How to thicken canned cherry pie filling? ›

Another way to thicken your pie filling is with cornstarch. Mix the cornstarch with a bit of sugar to prevent your filling from taking on a chalky taste. Or try any number of different pie thickeners like flour, arrowroot or tapioca.

Is it safe to can pie filling with cornstarch? ›

No, when canning pie filling, there is no substitute for Clear Jel®. Other thickeners like cornstarch clump when canning and may interfere with heat being able to reach throughout the jar. Without heat penetrating throughout the jar, yeast, mold, or other harmful bacteria can form.

Will 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.

What is a natural thickening agent for pie filling? ›

Tapioca as Pie Filling Thickener

This old-school ingredient may be what your great grandmother used to thicken her pies, and it's still great for making a perfect fruit pie with a clear, stable filling. Tapioca is derived from cassava (also known as yuca or manioc), a starchy root native to South America.

How do you make pie filling firmer? ›

The best way to thicken runny apple pie filling before baking it is to add some cornstarch, tapioca starch, or flour to your mix. To fix a runny pie that's already been baked, simply let it cool to see if it will congeal naturally.

What if the filling is too runny in steak pie? ›

If the filling is too runny, lift out the meat and veg with a slotted spoon to your pie dish and boil the liquid hard to reduce. Then combine with the meat and allow to cool while you make the pastry. Preheat the oven to 190c/170c fan. Sift the flour and salt into a food processor or a mixing bowl.

What can I use instead of cornstarch for pie filling? ›

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

What is the best starch to use in pie fillings that are to be frozen? ›

Freezing causes liquids thickened with flour or cornstarch to shear or separate during freezing. Therefore, baked pies or fillings thickened with tapioca or modified food starch such as Instant ClearJel® or ThermFlo® will maintain their consistency better.

Which starch is the most common for thickening fruit pie fillings? ›

The three most common starches used to thicken the fruit juices of a pie are flour, tapioca, and cornstarch. I prefer cornstarch because I find that it actually enhances the flavor of the fruit.

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.

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