Strawberry Rhubarb Processing with the Mehu-Liisa Steam Juicer

a flat of strawberries

Big beautiful strawberries.

I picked up a nice, ripe flat of Shuksan strawberries at the market last weekend and pulled some stalks of rhubarb from my garden in preparation for making strawberry-rhubarb juice, jelly, and syrup with the Mehu-Liisa steam juicer from Finland. I’ve outlined the basic steps for steam juicing strawberries and rhubarb below:

fresh rhubarb and frozen strawberries in the fruit basket of the Mehu-Liisa steam juicer  IMG_3517

I knew I wouldn’t be able to get to the berries for a few days, so I froze them. On processing day, after I picked the rhubarb and cleaned it up, I put the frozen berries in the fruit basket of the Mehu-Liisa and set the stalks of rhubarb on top. (There is no need to thaw frozen berries, just put them right in the basket.) Then, I set the water pan on the stove to come to a steady boil. A steady boil is all you need; avoid furious boils as they may lead to a burnt water pan.

canning lids Boiling canning jar rings and lids

I like to have all my canning tools and utensils clean and ready to go before I start processing. Here I have inspected my Tattler reusable rings and lids and given them a good wash in hot soapy water. Then I boiled the rings and lids for 5 minutes. After 5 minutes, I turn the heat off and leave the pan on the burner.

utensils and tools needed to draw off juice from the Mehu-Liisa steam juicer  timer on top of Mehu-Liisa steam juicer

With the fruit in the basket and the Mehu-Liisa steam juicer assembled on the stove, I gather all the tools I will need for drawing off juice and set my digital timer for 30 minutes. This is a safe processing time. It assures that the water pan won’t boil dry and no juice will spill down the steam funnel into the water pan. After 30 minutes, if I want to keep processing, I set the timer at 15 minute intervals.

Checking process at 15 minute intervals

Water and fruit levels at 15 minute intervals

I checked the water level and fruit levels at 15 minute intervals (first image is after 15 minutes, last after 45) throughout the processing to demonstrate how the fruit drains its juice and shrinks over the course of the processing and the level of water follows suit. I do not go more than 45 minutes for soft fruit like strawberries, rhubarb, raspberries, blueberries. Most of the water that leaves the water pan exits the Mehu-Liisa as steam. The unit is designed to allow excess steam to escape, thereby reducing dilution of the finished product.

juice in the kettle of the Mehu-Liisa steam juicer  Drawing juice off of the steam juicer.

After 30 minutes, I drain off the first run of juice into sanitized (washed in hot soapy water and put through a full cycle on high heat in the dishwasher) canning jars and affix the rings, lids, and bands and set the jars aside. I finish the session by steam processing the jars in an atmospheric steam canner. These canners are now recommended by the USDA as safe for use in canning following their guidelines.

tools and ingredients for jelly and syrup

This session yielded 4 quarts of rich juice from about 11 pounds of berries. After processing was done (about 45 minutes), I left the juicer on the stove top and let it drain into the kettle for another hour without any heat. This yielded another quart of juice to add to the 3 that came direct from the hot Mehu-Liisa. I will put this jar in the refrigerator for making jelly and syrup in the next few days. To the left are the 3 processed quarts and all the ingredients I need for making strawberry-rhubarb jelly and syrup. Look for those posts in the next few days.

I hope you got some good info out of this post and that you will be inspired to get your Mehu-Liisa steam juicer out and start the season off right with some strawberry-rhubarb juice, jelly, and syrup.

Take care,

Daniel Heila

About dheila62

Manager at Mehu-Liisa Products, importer of the Mehu-Liisa Steam Juicer from Finland.
This entry was posted in Berry Season, Rhubarb, strawberries, Summer, Tips and Techniques and tagged , , , , , , , , , , , , , , , , , , . Bookmark the permalink.

6 Responses to Strawberry Rhubarb Processing with the Mehu-Liisa Steam Juicer

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  5. Deb says:

    What was the ratio of strawberries to rubarb?
    How many cups, lbs or what ever measurement you used?

    • dheila62 says:

      I used about 8lbs of rhubarb and 4 lbs of strawberries. I didn’t add any sugar since I will use the juice to make syrup and jelly at which point I will add the sugar. Let me know if you have more questions.

      Take care,

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