Pour boiling water over cabbage to soften leaves.
Drain and fill separated leaves with following meat mixture.
Mix hamburger with egg, salt, pepper arid uncooked rice.
Brown spareribs in skillet and set aside.
Line a large pot with sauerkraut; add onions, a layer of spareribs, filled cabbage leaves and tomatoes in that order.
Add another layer of sauerkraut and 1 cup water.
Simmer on top of the stove for about 3 hours.
When done put sour cream on top and serve.