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Swedish

Ostkaka

This traditional Swedish ostkaka is made by setting warm milk with rennet, draining the soft curds, then baking them gently with cream, egg, sugar, and almonds. Serve it lukewarm with a spoonful of jam, as is done in Småland.

Ostkaka — Swedish — ChefSnap
1 hr 20 minsPrep
45 minsCook
8Serves
MediumDifficulty
465 kcal per serving18g protein 30g carbs 30g fat

Ingredients

Method

  1. Whisk the flour with a few tablespoons of the cold milk in a saucepan until smooth, then whisk in the remaining milk.
  2. Warm the milk mixture gently to 37°C, stirring often so it does not catch on the bottom.
  3. Remove the pan from the heat, stir in the rennet, cover, and let stand undisturbed for 40 to 50 minutes until softly set like a loose curd.
  4. Cut the curd into large pieces with a knife and let it rest for 10 minutes so the whey begins to separate.
  5. Line a sieve with clean cheesecloth, pour in the curds, and drain for 20 to 30 minutes; the curds should be moist, not dry.
  6. Heat the oven to 175°C and butter a small baking dish, about 500 ml capacity.
  7. In a bowl, whisk together the egg, cream, sugar, chopped almonds, bitter almond, and salt.
  8. Fold the drained curds gently into the egg mixture, keeping some texture rather than making it completely smooth.
  9. Spoon the mixture into the buttered dish and bake for 40 to 45 minutes, until lightly golden at the edges and just set in the center.
  10. Let the ostkaka cool until lukewarm before serving with lingonberry or cloudberry jam.

Common questions

Can I substitute liquid rennet in ostkaka if I can’t find it?

Yes, but use a dairy-curdling alternative only if you can measure carefully. Vegetable rennet or tablets can work; follow the package strength. Avoid lemon or vinegar here, which make a different, more acidic curd and texture.

How long does ostkaka take from start to finish?

Plan for about 1 hour 30 minutes to 2 hours total, including curd setting and draining. Active work is modest, but the 40–50 minute resting time and draining step are essential for the right texture.

What are the most common mistakes when making ostkaka?

Overheating the milk, disturbing the curd while it sets, and draining it too long are the main errors. Also avoid whisking the final mixture smooth; ostkaka should stay slightly lumpy and moist, not dry or rubbery.

How should I store leftover ostkaka?

Cool it completely, cover, and refrigerate for up to 3 days. Reheat gently in a low oven or enjoy cold. The texture firms as it chills, so add jam after reheating or serving.

What’s the best way to serve ostkaka?

Serve it warm or lightly cooled with lingonberry or cloudberry jam. A spoonful of lightly whipped cream is also traditional. The tart jam balances the rich, almond-scented curd and cream base.