Heat vegetable oil in a cauldron. Put in the pork pieces. Fry until golden brown for 10-15 minutes. Add the sausage and stir. Simmer for 5 minutes. Then add the onion, and after 4 minutes, the carrots.
Add the remaining ingredients and finish cooking the bigos. Add spices (salt and pepper), tomato paste, water. Mix thoroughly. Cover the cauldron with a lid and leave for 10 minutes. After that, put both types of cabbage and bay leaves in the cauldron. Cover again with a lid and simmer the bigos for about 80 minutes.