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    Home » Recipes » How To...

    How To Freeze Rhubarb

    Published: Mar 28, 2022 by Chellie Schmitz

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    Pieces of frozen rhubarb on a wax paper lined rimmed baking sheet. via @artfrommytablePieces of frozen rhubarb on a wax paper lined rimmed baking sheet. via @artfrommytable

    Rhubarb is only in season during the spring months of April-June. But, you can enjoy it all year by preserving it in your freezer! Here's how to freeze rhubarb the very best and easiest way, so you'll have it whenever the craving comes calling.

    Frozen chunks of rhubarb on a wax paper lined rimmed baking sheet. Closer pieces are in focus, further pieces are out of focus.
    Jump to:
    • WHY YOU'LL LOVE THIS RECIPE
    • Ingredients and Equipment
    • Freezing Rhubarb Instructions
    • Expert Tips
    • Frequently Asked Questions
    • Additional Freezing Methods
    • Freezing Blanched Rhubarb
    • Freezing Cooked Rhubarb
    • Storing
    • You may also like
    • 📋 Recipe

    Rhubarb is technically a vegetable. It's very tart in flavor which is why you always find it paired with something sweet, whether that's straight up sugar or another fruit.

    Rhubarb adds a distinct acidity and tanginess to your favorite desserts and recipes. Pairing it with strawberries is a popular combination, we absolutely love Rhubarb Crisp With Strawberries. It's also wonderful in jam.

    WHY YOU'LL LOVE THIS RECIPE

    • It's easy and quick to stock the freezer.
    • No blanching required.
    • You don't need to thaw it before using.

    Ingredients and Equipment

    Ingredients and supplies needed to freeze rhubarb: rhubarb, sharp knife, wax paper, rimmed baking sheet.
    • Rhubarb-There are two types of rhubarb available in the store: hothouse rhubarb and field-grown rhubarb.
      • Hothouse has pink to pale-red stalks and greenish-yellow leaves.
      • Field-grown rhubarb has a stronger flavor and can be easily spotted by its dark crimson stalks and bright green leaves.
    • A good sharp Chef's knife.
    • cutting board - I recommend wood of some sort, plastic ones are not good for your knives.
    • Wax Paper
    • Rimmed baking sheet

    Freezing Rhubarb Instructions

    This is an overview of the instructions, be sure to see the recipe card for all the details.

    4 image collage showing the steps to freezing raw rhubarb. 1-wash, 2-cut, 3-place on pan, 4-bag.
    1. Wash- Cut off the leaves and rinse the rhubarb stalks well under cold running water, removing any dirt. The leaves of rhubarb are poisonous. They contain oxalic acid, which can be fatal if consumed in large quantities.
    2. Cut- Cut the rhubarb into ½ inch pieces. I recommend this size because most recipes call for it this way.
    3. Flash Freeze- Spread the diced rhubarb in an even layer on a wax paper lined baking sheet. Then place it in the freezer for 4 hours, or overnight.
    4. Bag- Label Ziplock freezer bags with the contents and date. Transfer the rhubarb to the bags, squeeze as much air out of the bags as possible and seal them.

    Expert Tips

    • When you spread the rhubarb pieces on the pan, leave space in between them. It's best if they are not touching. Flash freezing is just this--freezing individual pieces. This makes it easier to portion out what you want, when you want it for a recipe.
    • Make sure you use Freezer bags and not Storage bags. They are thicker and have a better protective barrier
    • Double bag. Things get tossed around in a freezer, and small holes can form that you didn't even know were there. If you thaw it, you'll have a leaky red mess.
    • Freeze Flat. Once it's all bagged up, spread it out in the bag and freeze it flat. This maximizes space in your freezer, and it does thaw quicker.

    Frequently Asked Questions

    Should rhubarb be peeled before freezing?

    No. Rhubarb does not need to be peeled.

    Do you have to blanch rhubarb before freezing?

    No you don't. Blanching helps to retain the color and preserve nutrients and texture. It's completely optional to blanch it.

    Can you bake with frozen rhubarb?

    Absolutely! It works well in cooked dishes like jams and crisps, as well as fresh dishes like compote.

    Pieces of frozen rhubarb on a wax paper lined rimmed baking sheet.

    Additional Freezing Methods

    Freezing rhubarb is perfectly fine to do whether it’s raw, blanched, or fully cooked. In this post, I shared the flash freeze method for raw rhubarb. But there are two other options for freezing rhubarb.

    Freezing Blanched Rhubarb

    Blanching: Blanching vegetables helps preserve color, nutrients, and texture. Since rhubarb is usually baked or cooked down, I don't see a need for this, however, if you want to, here's how:

    • Bring a pot of water to a boil.
    • Add the rhubarb, cook for 1 minute.
    • Quickly remove the rhubarb and immediately place it in an ice bath (bowl of ice water) to stop the cooking.
    • Dry it by laying it out on towels.
    • Cut into ½ inch pieces.
    • Spread it in a single layer on a wax paper lined rimmed baking sheet.
    • Freeze for four hours or overnight.
    • Transfer to freezer bags and store in the freezer.

    Freezing Cooked Rhubarb

    • Simmer the rhubarb in the liquid of choice (water, orange juice or another juice) and a tablespoon or so of sugar. You should have enough liquid to cover the bottom of the pan.
    • Gently cook until it's tender. Add more sugar if desired. This largely depends on what you'll use the cooked rhubarb for, rhubarb is very tart on its own.
    • Once it's completely cooled, freeze in portions in an air tight container.

    Storing

    Frozen rhubarb will store for up to a year in the freezer. To use it after that is fine, it just may loose it's color and start deteriorating a little bit.

    Before you begin the process of freezing rhubarb, it should be stored in the refrigerator. With these simple steps it will last 2-4 weeks.

    • Wrap the stalks in a damp paper towel
    • Place them in a perforated plastic bag
    • Keep them in a crisper drawer of the refrigerator.

    You may also like

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      How to Freeze Strawberries {3 Easy Ways}
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      How to Freeze Cherries
    • how to freeze peaches
      How To Freeze Peaches {no sugar}
    • A group of frozen blueberries on a marble countertop.
      How To Freeze Blueberries

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    📋 Recipe

    Frozen rhubarb in pieces on a rimmed baking sheet.

    How To Freeze Rhubarb

    The easiest way to preserve rhubarb is in your freezer. This guide will show you step by step how to freeze rhubarb.
    5 from 1 vote
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 5 minutes
    Cook Time: 0 minutes
    Flash freeze time: 4 hours
    Total Time: 4 hours 5 minutes
    Servings: 6 cups
    Calories: 17kcal
    Author: Chellie Schmitz
    Cost: $5

    Equipment

    • Half sheet pans
    • wax paper
    • Sharp knife and cutting board
    • Freezer bags
    Prevent your screen from going dark

    Ingredients

    • Fresh Rhubarb As much or little as you want

    Instructions

    • Prepare your pans by lining them with wax paper.
    • Dice the rhubarb into ½ inch pieces.
    • Put the rhubarb pieces onto the prepared pans. They should not be touching each other.
    • Place the pans in the freezer, uncovered for 4 hours or until frozen.
    • Label the freezer bags while the fruit is freezing. Include what it is, and the date.
    • After the rhubarb is frozen, remove the pans from the freezer and transfer the frozen pieces to the labeled freezer bags. Stack in the freezer for later use.

    Notes

    • This method is known as flash freezing.. This is beneficial because each piece is frozen individually and won’t be stuck together in one big clump. This makes it easy to grab exactly the amount you need, when you need it, for your recipes.
    • Double bagging is always a great idea. Things get tossed around in the freezer, and bags can tear or get small holes in them. In the event that you were going to use a whole bag of rhubarb and you were going to thaw it, this can leave a mess.
    • Be sure to label your bags with both the contents and the date!
    • Rhubarb will stay good in the freezer for up to one year.

    Nutrition

    Calories: 17kcal | Carbohydrates: 4g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 3mg | Potassium: 234mg | Fiber: 1g | Sugar: 1g | Vitamin A: 83IU | Vitamin C: 7mg | Calcium: 70mg | Iron: 1mg
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    Chellie is the creator of Art From My Table, where her passion for delicious food and gathering with loved ones comes together. She believes anyone can cook a great meal, it doesn't have to be complicated or stressful. Her recipes and food photography have been featured in many publications including Buzzfeed, Southern Living, Today Food, and Fitness magazine. Read more...

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