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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As a seasoned baking enthusiast with extensive hands-on experience, I've explored various aspects of creating the perfect pie filling, and I'm eager to share my expertise on the subject. When it comes to achieving the ideal consistency for fruit pie fillings, selecting the right thickener is crucial. The nuances of each thickening agent and their interaction with different fruits have been an integral part of my culinary journey.

Now, let's delve into the concepts mentioned in the article and break down the information:

  1. Thickening Agents:

    • All-purpose Flour:

      • Quick and readily available, but lower in starch.
      • Requires more quantity compared to higher-starch thickeners.
    • Quick-cooking Tapioca:

      • Provides a bright and clear filling but may result in a somewhat sticky texture.
      • Requires a resting period before baking for tapioca to soften.
    • Instant ClearJel:

      • Maintains thickness over a wide range of temperatures, suitable for frozen pies.
    • Pie Filling Enhancer:

      • Similar to Instant ClearJel in thickening properties.
      • Contains added ascorbic acid for a tart note and superfine sugar to prevent clumping.
      • Requires a sugar adjustment in the recipe.
    • Cornstarch:

      • Similar thickening power to Instant ClearJel.
      • Provides a cloudy, semi-transparent look to the filling.
      • May impart a starchy taste.
      • Requires bubbling up through the crust for full effectiveness.
  2. Thickening Guidelines for Specific Fruits:

    • Apples:

      • Need the least amount of thickener due to lower juiciness.
      • High in natural pectin, aiding in thickening.
    • Blackberries & Raspberries:

      • Very juicy, requiring more thickener.
      • Frozen berries release even more liquid.
    • Blueberries:

      • Contain a lot of pectin, requiring less thickener than other berries.
    • Cherries:

      • Fresh cherries need slightly less thickener than canned or frozen.
    • Peaches:

      • Have less pectin than apples and are juicier, necessitating more thickener.
    • Strawberry/Rhubarb:

      • Juiciest with the least amount of pectin, requiring the most thickener.
  3. Thickening Measurements:

    • Detailed measurements for each thickener based on the amount of fruit and the size of the pie.
  4. Tips:

    • Consider the juiciness of farmers market fruit, adjusting the thickener accordingly.
    • Streusel- or lattice-topped pies require less thickener due to faster steam evaporation.
    • Mix thickener with sugar to prevent clumping.
    • Allow the pie to cool completely for the filling to set.
  5. Disclaimer:

    • Acknowledges potential variations from other recipes and emphasizes following the specified quantities for optimal results in King Arthur recipes.

By following these guidelines and understanding the properties of different thickeners, you can ensure that your fruit pie fillings are perfectly thickened and delightful. Happy baking!

Pie Thickener (2024)

FAQs

Pie Thickener? ›

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 pie filling? ›

Cornstarch as Pie Filling Thickener

Cornstarch is faster-acting than flour and forms a smooth, relatively clear filling.

How do you thicken runny pie filling? ›

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.

What is the best thickener for meat pies? ›

If you've ever made a meat pie, stew or sauce you know that one of the challenges is to get that right consistency. You don't want it to be too runny, nor too thick. One of the most common tricks you might have used in such a case is to add a little bit of flour or corn starch. A spoonful can already do wonders here.

How do you thicken gravy for a pie? ›

The three main thickening agents for gravies are flour, cornflour and arrowroot. The first two are normally used in savoury dishes while arrowroot tends to be used in sweet dishes – that said, arrowroot will work in a savoury dish as it has no flavour.

What two types of thickeners can be used to can pie fillings? ›

If you cannot find Clear Jel, another option is to can the pie filling without any thickener and then thicken it with tapioca or cornstarch before putting it into the pie shell.

How much cornstarch do I use to thicken a pie? ›

You need 1 tablespoon of corn starch for every 1 cup of liquid to be thickened. I use 2 to 3 T. of corn starch for an average fruit pie, depending on how juicy the filling becomes as you mix in the sugar and other ingredients.

Why did my pie filling is too runny? ›

If you slice the pie too soon , it just won't set. Why did my blueberry pie turn out runny? Without knowing your method or ingredients its hard to say. My best guess is you didn't use enough thickener( flour or cornstarch) in the filling, or you didnt cook long enough, or you cut it before cooling sufficiently.

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.

Why is my pie filling not thickening? ›

If you don't bake your pie at a high enough temp your thickener doesn't get to the necessary temperature for a long enough time to thicken your filling. Also, that high temp is needed to get your pie crust light & flaky. If needed, use a pie shield to help protect your crust from burning.

Can I use cornstarch instead of flour to thicken pie filling? ›

Thickening Gravy, Sauces, or Pie Fillings

Cornstarch works remarkably well as a thickener in sauces, gravy, and pie fillings, and some prefer it to flour.

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.

Is it better to make gravy with flour or cornstarch? ›

What's the difference between using cornstarch or flour to make your gravy? Cornstarch does have more thickening power than wheat flour (because it's pure starch, while flour has some protein in it). So usually you need a little less cornstarch than flour for the equivalent thickening power.

How do you thicken meat pie filling with cornstarch? ›

Cornstarch imparts a glossy sheen to the liquids it thickens, so it tends to be used more in sweet sauces and pie fillings than in savory sauces and gravies. Still, it works really well, and it's easy to use: For each cup of liquid, you want to thicken, start with 1 tablespoon of cornstarch in a small bowl.

Is it better to use flour or cornstarch for apple pie? ›

Corn starch lends a glossy thickness and adds sheen to the filling while flour adds opacity and some mouthfeel so that it has a sort-of creaminess. With all corn starch the filling reminds me too much of store-bought pies with that gloopy clear gel-like texture and with all flour it can get too lumpy and stodgy.

Which is better for thickening cornstarch or flour? ›

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.

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