Janssons Frestelse (Classic Swedish Potato Casserole)
- Feb 12
- 1 min read

Ingredients (Serves 4–6)
800 g potatoes, peeled and thinly sliced
1 onion, finely sliced
100–125 g pickled sprats or anchovy fillets, drained
300 ml heavy cream
50 g butter, diced
Salt and freshly ground black pepper, to taste
Optional: breadcrumbs for topping
Preparation
Preheat oven:
Set oven to 200°C (390°F).
Layer the ingredients:
Butter a medium baking dish.
Layer half the potatoes in the dish.
Spread onions and sprats evenly over the potatoes.
Add the remaining potatoes on top.
Pour cream evenly over the casserole.
Dot with butter and season lightly with salt and pepper (sprats are already salty).
Bake:
Cover with foil and bake for 40 minutes.
Remove foil and bake for another 20–30 minutes until top is golden and potatoes are tender.
Optional: sprinkle breadcrumbs on top for extra crispiness during the last 10 minutes.
Serve:
Serve hot as a side dish or main dish, often accompanied by crispbread or pickled vegetables.
Serving Suggestions
Traditional accompaniment to Swedish Christmas smörgåsbord.
Can be served with pickled beetroot or a fresh green salad for contrast.
Tips
Use starchy potatoes (like Yukon Gold) for best creamy texture.
Slice potatoes thinly (1–2 mm) for even cooking.
If anchovies are very salty, adjust added salt carefully.


