Salted, pickled, and cured herring are availble in bulk at Jewish delisand can also be found in jar at supermarket. They make a delicious appetizer, served with Jewish rye or black bread. Here is a classic Polish recipe for salt herrings

Drain the herring and rinse then again in fresh water. Remove the roe from the fish and reserve. Cut the herrings into 1/2 inch slices. Put the apples, onions, and almond into the blend and grind until smooth. Add the roe and the oil, and grind again. Have ready 4 small dishes. Spresd the pureed roe mixture evenly on esch dish and arrange the sliced herring on the top. Serve with pickes and black bread..