Refrigerator pickled kohlrabi is a delicious way to preserve this unique vegetable! Vinegar, dill, and peppercorns contribute a ton of flavor to every spear.
Peel and slice the kohlrabi into spears/thick matchsticks. See How to Peel Kohlrabi for more tips.
In a saucepan, combine the white wine vinegar, water, sugar, salt, and peppercorns. Bring to a simmer and cook for a few minutes, stirring occasionally, until the sugar and salt dissolve. Remove from heat.
Stuff the kohlrabi spears into a wide mouth glass jar, at least 16 ounces. If you only have smaller jars, divide the kohlrabi across 2 or 3 of them.
Mix the dill into the brine. Pour the brine over the kohlrabi spears. You may have a little extra brine.
Seal the jar(s). Let it sit at room temperature for 30 minutes to cool before transferring to the fridge.
You can enjoy the kohlrabi right away after 30 minutes or let it chill in the fridge overnight before eating.
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Notes
Keep the sealed jar in the fridge for up to 2 weeks. Pickled kohlrabi can often last longer than 2 weeks, but inspect it for any signs of mold or soiling before eating. Keep in mind that this is not a canning recipe and is not intended to make shelf-stable kohlrabi, so you have the store the jar in the refrigerator.
Enjoy the spears on their own as a snack, sliced into thin matchsticks for a slaw, or added to charcuterie boards.