So, take one kg of frozen herring. Four things of medium size. If the big-three. Gutting, remove the fillets, oberschwaben and wash; cut the fillet in small pieces. Put the fish into a saucepan. Large onion clean and shinkuem semicircles. Mix with herring. Put them in a cool place.

Meanwhile, prepare the sauce: 150 ml water; four tablespoons Apple cider vinegar 6%; one teaspoon sugar; two tablespoons of salt (no slides; if you love salty-take it with a slide); 0.5 tsp. of the mixture of black and red pepper; three tablespoons of ketchup (I Heinz); 125 ml vegetable oil. All components mix in a bowl or saucepan, put on fire and bring to a boil while stirring. Cool.

Then pour this filling fish with onion, cover with a lid and leave on the table for a few hours (at room temperature). Then put into the fridge for the night. The best way to cook this snack in a container with a vacuum lid.