5. Before you put holupki into the pot, place a few extra cabbage leaves on the bottom of the pot to protect the holupki from burning. Place the holupki into a pot , with a mixture of tomato sauce and water. The liquid mixture should come to the top of the holupki in the pot. You can add more water if the level isn't high enough.
6. Bring holupki to a slow boil, cover the pot, lower the heat and slowly simmer for 90 minutes.