Prep the Cabbage: Remove and discard the wilted outer leaves. Quarter the cabbage head, cut out the core, and slice the quarters crosswise into thin ribbons. 2. Salt and Massage: In a very large glass bowl, sprinkle the salt evenly over the sliced cabbage. Use your hands to squeeze and massage the cabbage for about 10 minutes. It will become watery and soften as it releases its natural brine.
Mix in the caraway seeds, if using. 3. Pack the Jars: Tightly pack the cabbage mixture into two sterile quart-sized jars, pressing down firmly to remove air pockets.
Pour any liquid remaining in the bowl over the top. 4. Weigh It Down: Place a clean weight on top of the cabbage to ensure it remains completely submerged in the liquid brine. A small, clean measuring cup weighted with clean rocks works well. 5.
Cover for Airflow: Place a cheesecloth or other clean, thin cloth over the mouth of each jar and secure it with a string. This allows air to flow while keeping the sauerkraut clean. 6.
Check the Brine Level: Over the next 24 hours, press down on the weight every few hours to help release more liquid. If the cabbage is not fully submerged after a day, dissolve 1 teaspoon of salt in 1 cup (240 ml) of nonchlorinated water and add just enough to cover it. 7. Ferment: Keep the jars in a cool, dark place (65°F (18°C) to 75°F (24°C)) away from sunlight for 3 to 10 days.
Check daily to ensure the cabbage stays below the brine. 8.
Taste and Chill: After 3 days, give it a taste.
When it's tangy enough for your liking, remove the weight and cloth. Seal the jars with airtight lids and store them in the refrigerator. Bubbles and cloudiness are normal signs of healthy fermentation! 9. Store: Your homemade sauerkraut can be stored in the refrigerator for up to 2 months.