How To Freeze Chestnut Puree

Chestnut peeling is a battle – don’t let that effort go to waste! Learn how to freeze chestnut puree and keep it fresh for months.

WHY I FREEZE CHESTNUT PUREE

Convenience
Chestnuts are seasonal, and chestnut puree is labor-intensive to prepare. I make a large batch and freeze it in our deep freezer at 64.4°F(-18 °C). It keeps for at least a year. It’s great for holidays and snacking. If you
Portion Control
You can freeze it in tubes or cubes. It makes for a great snack or a frozen dessert, too.
Short Shelf Life
Unsweetened chestnut puree keeps refrigerated for only a short time. Freezing it lets me enjoy it anytime I want.

THINGS YOU NEED

Fresh Chestnut Puree
Rolling pin
Food Wrap
Parchment
Freezer-safe Paper
Scissors
Knife

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SHAPE A CHESTNUT PUREE BLOCK

First, you have to prepare pure chestnut puree, which should have a consistency of a thick paste. It’s concentrated, made by cooking boiled, peeled chestnuts in milk until soft, then pureeing them until creamy. My homemade chestnut puree recipe.

You can freeze puree in tubes or in blocks.
If you’re freezing it in blocks, spread the thick chestnut puree onto a piece of parchment (step 1).
Layer another parchment on top.
Flatten the puree evenly into a sheet about 3/4 to 1 inch thick using the palms of your hands, or use a rolling pin to roll it out (steps 2-3).
Peel the top parchment and evenly trim the edges and shape it into a rectangle or a square (steps 4-6)
Cut a block of puree into smaller cubes/blocks. Cover it with parchment or food wrap. And freeze on a tray for 8 hours (steps 7-8).

Thick puree rolled out between sheet of parchment.

PACKAGE AND LONG-TERM FREEZER STORAGE

Once frozen, remove it from the freezer and separate the blocks (steps 1-2).
I like to wrap each block in freezer-safe paper. It helps mitigate freezer burn and keeps the puree fresh for longer (step 3).
You can store wrapped blocks or puree in a freezer-safe Ziploc bag or containers (step 4).
I keep the puree in our deep freezer at 64.4°F (-18 °C).

CHESTNUT PUREE FREEZING TIPS

Here are some common problems I encountered while making chestnut puree at home, along with my recommendations for dealing with them.

Cool puree before freezing – Important!

Failing to do so will most likely result in water ice crystals forming on the puree when frozen. Putting it in the freezer while still warm traps steam, which turns into ice crystals, and it can affect the texture.

Freeze unadulterated puree – Important

It’s best to freeze plain, unsweetened puree and add flavorings later. Once you add butter, cream, and such, freezing it can cause the puree to separate.

Freeze it in portions

This is especially useful when you need only a small amount to flavor the sauce or when you want a frozen snack.

Thawing puree

Puree defrosts pretty quickly. If possible, let it thaw in the fridge overnight. Then give it a stir to restore its creamy consistency and use as desired. Use thawed puree within 4 days.

Don’t refreeze after thawing

Each freeze–thaw cycle breaks down the smooth texture and can make the puree’s flavor go flat.

Serving suggestions

Pure chestnut puree can be used in sweet and savory dishes. One of my favorites is a simple version of the Mont Blanc dessert: lightly sweetened whipped cream, topped with sweetened, mildly rum-spiked chestnut puree, piped into long, thin noodles.