How to Freeze Rhubarb

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A step-by-step guide on how to properly and easily freeze fresh rhubarb so it can be enjoyed any time of the year.

Rhubarb is an extremely tart vegetable when eaten raw. However, it is wonderful in desserts and treats such as pies, jams, crisps, crumbles, crunches, and cobblers. When paired with a little sweetness, the result is the perfect sweet/tart combo.

Rhubarb season is a very short time frame. It is available for purchase at grocery stores and farmer’s markets from late spring to early summer. Garden rhubarb has an even shorter time frame. Freezing rhubarb will allow you to enjoy it throughout the year.

The process of freezing rhubarb is actually quite simple. This guide will walk you through how to freeze rhubarb without blanching. There is no need to blanch first, you can freeze the rhubarb raw. Pre-freeze cut rhubarb before placing it in the bag to prevent the rhubarb from clumping together. If you are wondering what is the best way to freeze rhubarb, I highly recommend vacuum sealing.

How to Freeze Rhubarb

Freeze rhubarb from your garden, grocery store, or local farmer’s market.

1. If using garden rhubarb, cut off leaves and stem ends.
2. Wash thoroughly with water then pat dry.
3. Slice rhubarb into ½-1 inch pieces. Whole rhubarb stalks may also be frozen.
4. Line a baking sheet with parchment paper. Spread sliced rhubarb in a single layer. Freeze overnight or until firm.
5. Once frozen, transfer rhubarb to a vacuum-sealed bag. Vacuum seal your bag using a vacuum sealer machine. Label with product, date, and amount.
6. Freeze until ready to use.

How to Store Rhubarb in the Refrigerator?

Discard the leaves and store only the rhubarb stalks. Store in a large zip-top bag, vacuum-sealed bag, or wrap in foil. Place in the crisper drawer of the refrigerator until ready to use.

How to Cook with Frozen Rhubarb?

Rhubarb may be thawed first or kept frozen and added to recipes. After the rhubarb is completely thawed, drain the excess liquid off by placing rhubarb in a sieve. Cook as the recipe directs.

Recipes with Frozen Rhubarb

How to use a Vacuum Sealer to Store Rhubarb

1. Place diced rhubarb in a vacuum-sealed bag.
2. Open the vacuum sealer machine. Place the end of the seam on the white line.
3. Close and lock the lid. Then press the “Vac Seal” button. Once done, open the lid and remove the package.
4. Freeze until ready to use.

Benefits of Vacuum Sealing

Here are some of the many benefits of vacuum sealing your food.

• Longer Food Preservation. Lack of air exposure leads to a much longer self-life.
• Save Money. By buying in bulk and vacuum sealing smaller portions. This also reduces waste.
• Year-Round Freshness. Buy produce when in the season to enjoy later in the year.
• Protection. Protects against freezer burn.
• Safety. The lack of oxygen in the package prevents bacteria, mold, and fungus from entering.
• Space-saving. Gives your more refrigerator and freezer space.

How Long Does Rhubarb Last in the Freezer?

Frozen rhubarb lasts under a year in a Ziploc freezer bag. If using a vacuum seal bag, your rhubarb will keep it for up to 2 years!

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