Pate lightly salted herring

Ingredients
Fish fillet 600g, 300g carrots, 100g onion, 250g butter.

Carrots are cleaned, cut into small pieces and fry. Fry onions in butter. Fillet of salted herring cut into small pieces.

Carrots and onions to cool and together herring scroll through a meat grinder. 

In the mass add the butter and whisk until smooth.