Herring with Potato (Tryout of Herring)

Let the herring fillets soak in cold water for 12 hours and cut them into thin strips

Peel the onions and cut them into fine rings

Fry the onion in butter until it's soft

Peel the potatoes and cut them into strips

Make layers of potato, herring, and onion in a refractory dish greased with butter

Sprinkle the layers lightly with pepper

The final layer should be potato

Sprinkle with breadcrumbs and cover with some pieces of butter or margarine

Bake in a moderate oven for 20 minutes

Pour the cream over the top, letting it flow to the bottom of the dish

Put back in the oven again, reducing the heat, and bake for an additional 20 to 25 minutes

Serve in 4 to 6 portions.