2 large onions
7 anchovy fillets (n.b Swedish anchovy)
7 large potatoes (Desirée or King Edward)
150ml/5fl oz double cream
100ml/ 3fl oz milk (3% fat)
2 tbsp natural breadcrumbs
Peel the potatoes and slice thinly into matchstick shapes. Peel and slice the onions thinly and soften in butter in a frying pan, until golden brown. Butter an oven-proof dish. Layer the sliced potatoes and anchovy fillets. Start and finish with the sliced potatoes. Pour over some of the anchovy brine and cover with the cream/milk liquid. Bake in a 200°C/400°F for approx 30 min. Sprinkle with breadcrumbs and shave some butter on top of the dish. Cook for another 20 min, until the potatoes are tender and the surface is nicely browned.