Sauerkraut is a fermented food that lasts up to two months in the refrigerator as long as it is in a sealed container. Frozen sauerkraut lasts up to two years in the freezer while canned sauerkraut has a shelf life of up to two years.
"Sauerkraut" is directly translated as "sour cabbage," and it is made by fermenting finely sliced cabbage in a brine that includes beneficial bacteria. It is a hearty food that contains high amounts of vitamins B, C and K. It is also high in calcium and magnesium. Sauerkraut aids in digestion and provides a healthy source of fiber, making this versatile garnish a perfect addition to sandwiches and salads.