This recipe is for sauerkraut and is adapted from Sandor Ellix Katz book wild fermentation. If you are into fermentation and don’t have this book, I highly recommend it. It was my introduction to the world of fermentation and is a great starting point and a good read!
Vessel: 1-quart wide-mouth jar
2 pounds cabbage
2 cloves garlic
1 tablespoon salt (start with a little less, add if needed after tasting)
Other seasonings as desired, such as caraway seeds, juniper berries, dill, chili peppers, ginger, turmeric, dried cranberries, or whatever you can conjure up in your imagination.
Prepare the cabbage. Remove the outer leaves of the cabbage, cut in half remove the core and grate or finely chop the cabbage. The purpose of this is to expose surface area in order to pull water out of the cabbage, so that they can be submerged under their own juices. The finer the veggies are shredded, the easier it is to get juices out, but fineness or coarseness can vary with excellent results.
Salt and season. Salt the vegetables lightly and add seasonings as you chop. Sauerkraut does not require heavy salting. Taste after the next step and add more salt or seasonings, if desired. It is always easier to add salt than to remove it. Allow to sit for 5 min.
Squeeze the salted vegetables with your hands for a few minutes (or pound with a blunt tool). This bruises the vegetables, breaking down cell walls and enabling them to release their juices. Squeeze until you can pick up a handful and when you squeeze, juice releases (as from a wet sponge).
Pack the salted and squeezed vegetables into your jar. Press the vegetables down with force, using your fingers or a blunt tool, so that air pockets are expelled and juice rises over the vegetables. Fill the jar not quite all the way to the top, leaving a little space for expansion. The vegetables have a tendency to float to the top of the brine, so it’s best to keep them pressed down, using one of the cabbage’s outer leaves, folded to fit inside the jar, or a carved chunk of a root vegetable, or a small glass or ceramic insert. Screw the top on the jar; lactic acid bacteria are anaerobic and do not need oxygen (though they can function in the presence of oxygen). However, be aware that fermentation produces carbon dioxide, so pressure will build up in the jar and needs to be released daily, especially the first few days when fermentation will be most vigorous.
Wait. Be sure to loosen the top to relieve pressure each day for the first few days. The rate of fermentation will be faster in a warm environment, slower in a cool one. Some people prefer their krauts lightly fermented for just a few days; others prefer a stronger, more acidic flavor that develops over weeks or months. Taste after just a few days, then a few days later, and at regular intervals to discover what you prefer. Along with the flavor, the texture changes over time, beginning crunchy and gradually softening. Move to the refrigerator if you wish to stop (or rather slow) the fermentation. In a cool environment, kraut can continue fermenting slowly for months. In the summer or in a heated room, its life cycle is more rapid; eventually it can become soft and mushy.
Enjoy your kraut! I start eating it when the kraut is young and enjoy its evolving flavor over the course of a few weeks (or months in a large batch). Be sure to try the sauerkraut juice that will be left after the kraut is eaten. Sauerkraut juice packs a strong flavor, and is unparalleled as a digestive tonic or hangover cure.