Cooking. Herring cut into fillets. Net 1 bulb onion thick semicircles. Line the bottom of the pan half chopped onion. Over it decompose herring fillets. Herring top coat in French mustard, so to completely cover the fillets. The second half of chopped onion half rings lay on top of the mustard. Prepare the dressing. this premeshaem vinegar and vegetable oil. Pour sauce received herring and close its food with plastic wrap. and leave to marinate for about 1 hour. Clean apple, cut out the core and it sliced ââto 0.5 cm thick. the remaining 2 onions into thin half-rings. Fry the onions in the pan and add the sliced ââapples there. Marinated fillets gently loosed from a bow without damaging the layer of French mustard. Fillet cut into slices the thickness of no more slices of apple. On each slice of apple to put a bit of fried onion on top of a piece of herring. Binds all this skewer canapes and decorate with chopped green onions