Kapusniak (Sauerkraut Soup)

Prep time: 15-20 minutes Cooking time: 35-45 minutes Materials:  2 lbs. sauerkraut rinsed and drained 1 large onion chopped 5 medium potatoes cooked in salted water (cooked potatoes along with the water from the potatoes gets added to the mixture) 1 link of kielbasa slightly cooked in a pan 6 oz. tomato paste dissolved in 2…