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Calf's Brain for Thickening

A historical flour-free thickener for invalid food: soaked and blanched calf's brain is cooked down completely with 60 g of butter, packed into jars under melted butter and used to thicken soups and sauces when flour is not tolerated.

Source: Henriette Schønberg Erken, Stor kokebok, 1914-utg. s. 669 (falt i det fri)

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About the dish

The advice appears in the section on diet where flour and sugar must be omitted. When flour cannot be used to thicken soups and sauces, Erken recommends egg yolks or – as here – a preserved mass of cooked-down calf's brain, kept in jars under a layer of melted butter (the same principle as with preserved forcemeats). Instead of potatoes, Jerusalem artichokes or stachys are used.

How to make it

  1. 1

    Soak the brain

    Place the calf's brain in cold water for a couple of hours, changing the water a few times, and remove membranes and blood vessels.

  2. 2

    Blanch

    Place the brain in lightly salted, boiling water for a few minutes until firm. Take it out and let it drain.

  3. 3

    Cook down with butter

    Cook the brain together with 60 g of butter until it is completely cooked down and collapses into a smooth mass.

  4. 4

    Pack into jars

    Fill the mass into clean jars, pour melted butter over so it becomes airtight, cover with paper and store cold.

  5. 5

    Use

    Use a spoonful of the mass to thicken soups and sauces for the invalid, instead of flour.

Changes from the original

The amount of calf's brain is not given in the original; here estimated at one brain (about 400 g). Soaking and blanching are described with modern times. Note: this is a historical recipe – calf brain is not used in modern diets for food-safety reasons.

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Time machine – what changed?

Pick two editions and see what Henriette Schønberg Erken added, removed or changed between them.

Modernised → 1914 (proofread, p. 669)~86% of the text changedremovedadded
1 stk kalvehjerne (ca. 400 g, utvannet). Kalvehjerne 60 g smør. 50 g gr. smør (smeltet, smeltet smør til å helle over). Legg kalvehjernen i kaldt vann i et par timer, skift vannet noen ganger, og fjern hinner og blodårer.. Legg hjernen i lettsaltet, kokende vann noen minutter overhelding. Kalvehjerne til den jevning er fast. Ta den opp og la ogsaa udmerket; den renne av.. Kok hjernen sammen utvandede, forvellede hjerne kokes med 60 g smør gr. smør, til den er helt utkokt og sammenfallende til en jevn masse.. Fyll massen ganske utkokt; haves i rene krukker, hell overheldes med smeltet smør over så det blir lufttett, bind for at bli lufttæt. Bindes over med papir og oppbevar kaldt.. Bruk en skje av massen opbevares koldt. Benyttes til å jevne jevning av supper og sauser for den syke, i stedet for mel. sauser.

Note on Modernised

Mengde kalvehjerne er ikke opgit i originalen; her anslaatt til én hjerne (ca. 400 g). Utvanning og forvelling er beskrevet med moderne tider. Merk: dette er en historisk oppskrift — hjernemat fra kalv brukes ikke i moderne kosthold av mattrygghetsgrunner.

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Frequently asked questions

What is calf's brain for thickening used for?
It is used to thicken soups and sauces, and is considered in "Stor kokebok" (1914) to be excellent invalid food.
How is it made?
The brain is soaked and blanched first, then cooked with 60 g of butter until it is completely cooked down. The recipe is intended for 8 servings and takes about 3 hours in all.
How is it stored?
Place the mass in jars and pour melted butter over it so that it becomes airtight. Cover the jar and store cold.

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