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Dessert

Arrowroot Biscuits, or Drops

A biscuit made with butter, eggs, flour, arrowroot, and pounded loaf sugar, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and arrowroot match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 525 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Arrowroot Biscuits, or Drops

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. Beat the butter to a cream.

  2. Whisk the eggs to a strong froth and add them to the butter.

  3. Stir in the flour a little at a time and beat the mixture well.

  4. Break down all the lumps from the arrowroot and add it with the sugar to the other ingredients. Mix all well together.

Bake

  1. Drop the dough on a buttered tin in pieces the size of a shilling.

  2. Bake the biscuits for about 30 minutes in a slow oven at 300°F (150°C).

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

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Flour + arrowroottop 2% of all pairs
    Smell alikestrong
    Cooked together525 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Butter
Creamed with sugar-free base to give the biscuits richness and a tender, short crumb.
Eggs
Whisked to a froth to add lift and bind the dough together.
Flour
Provides the main structure that sets the biscuits as they bake.
Arrowroot
Adds a light, delicate texture because it is a starch that contains no gluten.
Pounded loaf sugar
Sweetens the biscuits and helps them brown lightly in the oven.

The step that matters

Drop the dough in evenly sized pieces. Uniform pieces bake at the same rate, so small ones can overbake while large ones stay doughy. Breaking down arrowroot lumps first keeps the dough smooth and even.

Swap the arrowroot

How well each one fits the dish's main ingredients (butter, egg, flour, sugar):

  1. Chivefits about as well
  2. Leekfits about as well
  3. Shallotfits about as well
  4. Arrowrootthe original

Fit is the average pairing score against butter, egg, flour, sugar. Candidates are from the same food group and used in at least 100 recipes.

“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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