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Dessert

Treacle Whey, or Posset

A sweetened milk posset made with treacle and boiled milk.

From an old cookbook · modernised transcription
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Treacle Whey, or Posset

Ingredients

Directions

  1. Stir treacle into boiling milk and let it boil up.

  2. Strain off the whey.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

What each ingredient does

Treacle
Adds sweetness and a deep, molasses-like flavour to the milk.
Milk
Forms the body of the posset, which thickens as its proteins curdle and set.

The step that matters

Let it boil up. Bringing the treacle milk to a full boil lets the acid in the treacle curdle the milk proteins, which sets the posset. Stopping short leaves it runny.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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