Crispy fish balls served with traditional Swedish sides – mashed potatoes, green peas, clarified butter and lingonberries. And did you know that fish is known to be a great source of omega-3 and protein? Fish is known to be a great source of omega-3 and protein. Fried fish balls with classic Swedish flavours, served with creamy mashed potatoes, green peas, clarified butter and lingonberries that adds both tanginess and sweetness. The fish is MSC-certified Alaska pollock.