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Bright red cabbage sauerkraut in a jar.
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Easy Red Cabbage Sauerkraut (Fermented Cabbage)

Everyone loves an easy ferment, and this is the perfect starter. Our red cabbage sauerkraut needs only 4 ingredients before you're on your way to beautiful purple cabbage packed with crunch and sour flavour.
Course Condiment
Cuisine German
Prep Time 10 minutes
Cook Time 3 days
Total Time 3 days 10 minutes
Servings 20 Side Serves
Calories 17kcal
Cost $5

Equipment

Ingredients

  • 1 kg red cabbage 2.2 lb, chopped, 2 outer leaves set aside
  • 3 garlic chopped finely
  • 1 ¼ tbsp sea salt coarse, non-iodised
  • ½ tbsp fennel seeds sub juniper, caraway or mustard seeds

Instructions

  • Note: Make sure you remove and keep 2 outer leaves of the cabbage before chopping.

Crushing the cabbage

  • Throw in your chopped 1 kg red cabbage and 3 garlic into a large stainless steel bowl and sprinkle over your 1 ¼ tbsp sea salt and ½ tbsp fennel seeds.
  • It’s time to crush this cabbage and work out those natural juices for our brine. Tip: We love using a pestle to do most of the heavy work of the initial pounding and crushing. Spend a good few minutes with the pestle, then you can do the rest by hand for a few more minutes (you can also do the whole thing by hand, it just takes a little more time and elbow grease).
  • You’ll know the cabbage is ready to be placed in the jar when you can take a fistful, squeeze and the juice runs out. This is perfect! No water required. It will also turn a darker purple colour and be softer to handle.

Adding the cabbage to jars

  • Place your cabbage in clean, sterilised jars (out of the dishwasher is fine), making sure to push down with your fists as you go to pack it well and encourage more liquid out to cover the cabbage.
  • Leave at least an inch or two of space at the top - it will expand when it starts to ferment and create bubbles. Fold up your cabbage leaves and place on top of each jar used, then pop your lid on. The leaves will help hold the cabbage under the brine and prevent mould growth.

Fermenting and storing the cabbage

  • Place jars on a plate on your bench and leave for 3-7 days. You should start to see bubbles in 12-24 hours. “Burp” your jars 1-2 times a day to release the build up of gas as it ferments by just loosening the lids then retightening (you don’t have to take the lid off).
  • The sauerkraut will ferment faster the warmer your house is. The longer you leave it, the more sour it will become. You can start tasting it with a clean fork around that 3 day mark if you see good bubble activity (don’t double dip!). Once you’re happy, pop it in the fridge with the lid on tight for 3-6 months. It will continue to ferment and develop flavour over time, but at a very very slow rate due to the cold temperature.
  • Important Note: Any sign of mould or an extremely bad smell at any point - throw it out, it’s got bad bacteria in somehow. It will of course have a slight smell when burping, as it is cabbage after all, but it should still be a palatable smell.

Video

Notes

  • Hygiene - One of the most crucial things to a successful ferment is hygiene. Make sure those jars are clean and never double dip utensils when testing or stirring.
  • Keep the Liquid - No need to strain the brine at any time - all the good stuff is stored in here, and keeps the sauerkraut from drying out. You will notice this reduces over time once it's stored in the fridge.
  • Size of Cabbage - When chopping the cabbage you can make it as chunky or fine as you like - it's completely up to personal preference.
  • Store on a Plate - Listen. We've all been guilty of overfilling our ferment jars or forgetting to burp them, so make sure it's stored on a plate while fermenting! This way if it does leak bright purple brine, it will end up on the plate and not on your benchtop.

Nutrition

Calories: 17kcal | Carbohydrates: 4g | Protein: 1g | Fat: 0.1g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.04g | Monounsaturated Fat: 0.02g | Sodium: 450mg | Potassium: 126mg | Fiber: 1g | Sugar: 2g | Vitamin A: 558IU | Vitamin C: 29mg | Calcium: 25mg | Iron: 0.4mg