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Drink

To Make Coffee

A method for brewing coffee with boiling water and isinglass chips.

From an old cookbook · modernised transcription
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To Make Coffee

To Make Coffee

Ingredients

Directions

Brew

  1. Put the coffee into a coffee pot and pour boiling water over it.

  2. Boil for 6 minutes.

  3. Pour out a cupful 2-3 times and return it to the pot.

Clarify and rest

  1. Add isinglass chips and a large spoonful of boiling water.

  2. Boil for an additional 5 minutes.

  3. Set the pot by the fire to keep hot for 10 minutes.

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.

Photo for illustrative purposes only · Contact us to use it

Explore the science

What each ingredient does

Fresh ground coffee
Provides the main coffee flavour and aroma as hot water extracts its soluble compounds.
Isinglass
Acts as a fining agent, gathering fine grounds so they settle and the coffee clears.
Boiling water
Extracts flavour from the grounds and keeps the brew hot during steeping.

The step that matters

Adding the isinglass and boiling water. Isinglass must be dissolved evenly into the hot coffee so it can bind the fine grounds. If it is unevenly mixed, pockets stay cloudy and grounds fail to settle, leaving the coffee murky.

“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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