Old-fashioned Jansson's Temptation

Fish 1 h 30 min 8 servings Medium 500 kcal

by Tavolino

A classic Swedish potato gratin with anchovies, onion, and cream. This traditional dish gets a wonderfully crispy surface thanks to the breadcrumbs and is a must on the Christmas table.

Ingredients

yellow onions 3
waxy potatoes 1.5 kg
butter 75 g
anchovy fillets 300 g
heavy cream 400 ml
milk 200 ml
breadcrumbs 20 g

Preparation

1
Preheat the oven to 175°C.
2
Peel 3 yellow onions and 1.5 kg of waxy potatoes.
3
Slice the onion thinly.
4
Sauté the onion in 30 g of butter in a frying pan until softened without browning.
5
Cut the potatoes into thin strips.
6
Grease an ovenproof dish with a little of the remaining butter.
7
Layer the potatoes, onion, and 300 g of anchovy fillets in the dish. Save the anchovy brine.
8
Start and finish with a layer of potatoes.
9
Bring 400 ml of heavy cream and 200 ml of milk to a boil in a saucepan.
10
Mix the anchovy brine into the cream and milk mixture and pour the liquid over the dish.
11
Sprinkle with 20 g of breadcrumbs and dot with the remaining butter on top.
12
Bake in the lower part of the oven for 90–120 minutes. Cover with foil towards the end if necessary.