Soak peppers for 1 hour in cold water.
Dip the cabbage leaves in boiling salted water for 5-7 minutes, put in a colander and pour over with cold water.
Chop the onion and fry until soft. Grate the carrots, add to the onion. Fry for 10 minutes, add rice. Season with salt, pepper, add bay leaf, simmer for 5 minutes.
Chill the minced meat. Fill the peppers with half of it, put them in a shallow ceramic bowl, add a glass of broth and bake for 30 minutes in the oven at 220 ° C.
Spread the remaining minced meat over the cabbage leaves. Fold them into envelopes, put them in a saucepan, pour over the broth and simmer for 2 hours.