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Tomata Ketchup

A preserved tomato sauce made by simmering tomatoes, seasoning, and combining with hops, flour, and yeast.

From an old cookbook · modernised transcription
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Tomata Ketchup

Ingredients

Directions

Prepare the tomato base

  1. Slice the tomatoes, then layer them in a deep earthen pan, sprinkling each layer with salt.

  2. Let the layered tomatoes stand for twelve hours.

  3. Place the pan over the fire in a preserving kettle and simmer until the tomatoes are soft.

  4. Pour the tomatoes into a linen bag and squeeze out the juice.

  5. Season the liquid with grated horseradish, a little garlic, some mace, and a few cloves.

  6. Boil the seasoned liquid well, then, when cold, bottle it for use.

Make the hop and flour mixture

  1. Prepare two quarts of boiling water and add a large handful of hops; boil for twenty minutes.

  2. Sift a pound and a half of flour into a pan.

  3. Strain the hop liquor and pour half of it over the flour.

  4. Let the remaining hop liquor cool, then gradually pour it into the flour pan, mixing well.

  5. Stir in a large tea-cup of good yeast (brewer's yeast if available).

Bottle and finish

  1. Immediately bottle the mixture and cork tightly.

  2. The ketchup will be ready for use in an hour.

  3. To improve and extend shelf life, add a tea-spoonful of pearl ash to each bottle.

By Eliza Leslie. 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

Tomatoes (in the method)
Form the main body and flavor of the ketchup, with natural sweetness and acidity.
Flour (in the method)
Adds body and starch to the mixture, giving it thickness and substance.
Hops
Contribute bitterness and aroma, and help preserve the liquid.
Yeast (in the method)
Ferments the sugars in the mixture, producing carbonation and a lively flavor.

The step that matters

Let the hop liquor cool before adding the yeast. Yeast is killed by very hot liquid. Letting the remaining hop liquor cool before pouring it into the flour keeps the yeast alive so it can ferment.

“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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