Clean And Soak Herring Overnight In Cold Water.Bring Vinegar, Onion, Peppercorn, And Bay Leaves To Boil.Add Wine And Heat, But Do Not Boil.Seive Roe To Eliminate Membrane;Mix With Sugar And Sour Cream.Add To Onion Mixture.Fillet And Cut Herring Into Pieces.Layer With Sauce In A Jar And Masrinate, For A Day.Keep Refrigerated......