Pour rice into the soaked Roman pot. Pour tomato juice on top. Mix the onion cubes, paprika strips and zucchini into the rice. Add the spices, cover with butter flakes and cook the dish in the closed pan at 220 degrees for 80-120 minutes, depending on the type of rice.
Then mix the sour cream with the herbs, pour over the rice and sprinkle with the cheese. Then bake in the open dish for another 8 minutes.