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Mushroom Ketchup

A preserved sauce made from boiled mushrooms, spices, and brandy, used to flavor gravies and soups.

From an old cookbook · modernised transcription
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Mushroom Ketchup

Ingredients

Directions

Prepare the mushrooms

  1. Choose full‑grown mushrooms and ensure they are freshly gathered when the weather is tolerably dry; if picked during heavy rain, the ketchup will be musty and will not keep long.

  2. Put a layer of mushrooms in a deep pan, sprinkle salt over them, then another layer of mushrooms, and so on alternately.

  3. Let the mushrooms remain for a few hours, then break them up by hand; place them in a cool place for 3 days, occasionally stirring and mashing them well to extract as much juice as possible.

Make the ketchup

  1. Measure the quantity of liquor without straining, and to each quart add the proportion of spices (cayenne, allspice, ginger, pounded mace).

  2. Put all into a stone jar, cover it tightly, place it in a saucepan of boiling water, set over the fire, and let it boil for 3 hours.

  3. Prepare a clean stewpan; pour the contents of the jar into it, and let the mixture simmer gently for ½ hour; pour it into a jug, let it stand in a cool place until the next day; then pour it into another jug, strain into very dry clean bottles, and do not squeeze the mushrooms.

  4. Add a few drops of brandy to each pint of ketchup.

Bottle and keep

  1. Do not shake the contents; leave all sediment behind in the jug; cork well, and either seal or rosin the cork to exclude air.

  2. If a very clear bright ketchup is desired, strain the liquor through a very fine hair‑sieve or flannel bag after gently pouring it off; repeat until the liquor is clear.

  3. Examine occasionally; if it is spoiling, reboil with a few peppercorns.

By Isabella Beeton. Recipe from a historical cookbook (Project Gutenberg).

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. See the original page.

Explore the science

What each ingredient does

Mushrooms (in the method)
Provide the bulk of the liquor, which is extracted by salting and standing to make the ketchup.
Salt (in the method)
Draws moisture out of the mushrooms, releasing the juice used for the ketchup.
Brandy (in the method)
Added in small amounts to each pint of finished ketchup to help it keep.

The step that matters

Reboiling the sealed jar in a water bath. Long gentle boiling in a covered jar drives off moisture and cooks the mixture, while sealing and clear bottling limit air and microbes that would spoil the ketchup.

“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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