Makes 2 quarts
A kind of Latin American sauerkraut, cortido begins with cabbage, carrots, and onions, which are left for at least a week to ferment. Some cooks like to leave the cabbage mixture for a month. Fermenting isn't an exact science. After slicing and grating the vegetables, you have to leave them until they release enough liquid to make their own brine. If there isn't enough liquid, add salted water to the mixture (start with 1 cup water with 1 pinch of salt; add more water as needed). Sterilize two 1-quart glass jars with boiling water to pack the cortido in.