Introduction
Rømmegrøt looks deceptively simple — and it is, once you understand what’s actually happening. The key is the fat content of the sour cream: under heat, the fat separates out and rises as clarified butter. You skim that off and serve it alongside the porridge. Everything else is just stirring.
Do not substitute low-fat sour cream or crème fraîche. Below 35% fat there is not enough butter yield, and the porridge will be flat and watery.
Ingredients (4 servings)
- 500 ml full-fat cultured sour cream (2 cups), at least 35% fat
- 200 ml plain wheat flour (¾ cup + 2 tbsp), sifted and divided into two equal portions
- 500 ml whole milk (2 cups), warmed
- ½ tsp salt
For serving
- The skimmed butter from cooking
- 2–3 tbsp sugar
- 1–2 tsp ground cinnamon
- Cured meats (prosciutto, salami, Norwegian fenalår, or similar)
- Extra melted butter, optional
Method
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Pour the sour cream into a heavy-bottomed saucepan and bring to a boil over medium heat. Cover and let it boil for 2 minutes.
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Remove the lid and sprinkle in the first half of the flour (about 100 ml / ½ cup) while stirring vigorously and continuously with a wooden spoon. After 1–2 minutes you will see yellow butter begin to seep out at the edges and surface — that is exactly what you want.
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Skim the butter off continuously with a large spoon and transfer it to a small warm bowl. Keep stirring and skimming until the butter stops running, about 3–5 minutes. You will typically collect 3–5 tablespoons of butter.
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Sprinkle in the second half of the flour and stir until fully incorporated and the porridge is smooth, about 1 minute.
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Pour the warm whole milk in a thin, steady stream while stirring constantly. Start with 300 ml (1¼ cups) and stir until smooth. Add the remainder until you reach the desired consistency — the porridge should flow slowly off the spoon, not pour like soup.
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Simmer over low heat for 3–4 minutes, stirring regularly. Add ½ tsp salt and taste — the porridge should be rich and full-flavoured with a faint tang from the sour cream.
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Ladle into deep bowls. Make a small well in the centre of each serving and spoon in the reserved skimmed butter. Dust generously with sugar and cinnamon and serve immediately.
Serving note
- Cured meats are the traditional companion — Norwegian fenalår (salt-cured leg of lamb), cured sausage, or any thinly sliced dry-cured meat balances the richness of the porridge.
- Red fruit cordial (rød saft) — a sweet red squash made from berries like red currant or raspberry — is the traditional drink alongside rømmegrøt, especially for children.
- The porridge thickens quickly as it sits. If it becomes too stiff before serving, stir in a splash of warm milk directly in the pan.
- Leftovers can be gently reheated in a microwave with a little milk, but rømmegrøt is always best eaten fresh.
- Allergens: Contains gluten (wheat), milk/lactose.
