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Dessert

Excellent Potato Flour, or Arrow-root

A method for producing potato starch by grating potatoes, washing, sieving, drying, and storing.

From an old cookbook · modernised transcription
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Excellent Potato Flour, or Arrow-root

Ingredients

Directions

Prepare the starch

  1. Grate six pounds of sound mealy potatoes into a large vessel full of cold water, and stir them well together.

  2. After six hours, pour off the water and add fresh water, stirring the mixture well.

  3. Repeat this process every three or four hours during the day.

  4. Change the water at night, and the next morning pour it off.

  5. Add two or three quarts more water to the potatoes.

Separate and dry

  1. Turn the mixture directly into a hair-sieve set over a pan to receive the flour.

  2. Wash the flour through the sieve by pouring water over it.

  3. Let the flour settle in the pan.

  4. Drain off the water.

  5. Spread the potato sediment on dishes.

  6. Dry it in a slow oven.

  7. Sift the dried flour.

  8. Put it into bottles or jars, and cork or cover them closely.

By Eliza Acton. 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

Mealy potatoes
Supply the starch granules that settle out as the flour once washed and separated from the pulp.

The step that matters

Drying in a slow oven. Starch left damp can sour, clump or spoil in storage, so the sediment must be dried fully before sifting and sealing in jars.

“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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