Jansson'S Temptation(Janssons Frestelse) - cooking recipe

Ingredients

2 medium Spanish onions, sliced
3 Tbsp. butter or margarine, divided
4 to 5 medium potatoes
2 (2 oz.) cans anchovy fillets or 20 Swedish or Norwegian anchovy fillets (use a little of the salty brine if using Scandinavian anchovies)
1 1/2 c. whipping cream, divided

Preparation

Saute the onions in 1 tablespoon butter until soft.
Peel potatoes and slice lengthwise thinly, as for shoestring potatoes. Butter baking dish, layer potatoes, onions and anchovies, finishing with a layer of potatoes.
Dot with remaining butter. Bake at 400\u00b0, adding half of the cream after 10 minutes.
Add the remainder of the cream after another 10 minutes.
After 30 minutes, reduce the heat to 300\u00b0 and bake for another 30 minutes.