Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
                        ------sour-cream sauce------
   2                    Onions -- small
   1      cup           Sour cream
   2                    Apples; medium -- tart
     1/2  cup           Yogurt
   8                    Herring fillets -- marinated
                        Lemon -- juice only
   2      teaspoon      Dill -- fresh or
     1/4  teaspoon      Sugar
     1/2  teaspoon      Dillweed -- dried
                        -----------salad------------

Preparation:

Sauce: Blend thoroughly sour cream, yogurt, lemon juice and sugar. Salad: Peel onions and cut into thin slices. Peel and quarter apples, remove cores and but into thin wedges. Blend onions and apples with sauce. In a dish arrange herring and apple-onion mixture in layers. Cover tightly and marinate in refrigerator for 5 hours. Sprinkle with dill before serving.