Well washed mussels are placed in boiling water to dissolve their shells. Remove clams (flesh), washed and put to boil with the bay leaf in a small amount of acidified water. Onions, finely chopped, stew in fat. Add grated carrots and also stew. Sprinkle with flour and stir. Pour in broth and clam juice of 4-5 tomatoes through a sieve. Remove from broth mussels are placed in a tray. On them pouring steamed vegetables and arrange slices of the remaining tomatoes. Dish add salt to taste and bake in the oven at moderate temperatures.