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Dessert

Arrowroot Charlotte

A custard-like dessert made with sponge cake, arrowroot, milk, and egg yolk, set in a mold.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 Charlotte

Ingredients

Directions

Prepare the mold

  1. Cut the sponge cakes into thin slices and line the sides and bottom of a 1‑pint mold with them.

Make the custard

  1. In a bowl, mix the baked flour and arrowroot with enough cold milk to form a paste.

  2. Boil the remaining milk, add the sugar, and stir in the paste.

  3. Cook gently over low heat for 10 minutes, stirring constantly.

  4. Add the egg yolk and cook a little longer without boiling.

  5. Let the mixture cool slightly, then pour it into the prepared mold.

Set and serve

  1. Place the mold in a cool area and turn it out when fully set.

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. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Arrowroot + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together817 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

Flour and milk barely smell alike, yet cooks put them together in 78,219 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

Sponge cakes
Form the sturdy outer lining that holds the molded dessert together.
Baked flour
Thickens the milk so the filling becomes firm and sliceable when cooled.
Arrowroot
Thickens the filling to a smooth, glossy set without a floury taste.
Milk
Forms the liquid base that the starches thicken into a custard.
Egg yolk
Adds richness and helps the custard set softly when gently heated.

The step that matters

Cook gently without boiling after adding the egg yolk. Egg yolk can curdle and turn grainy if it overheats, and boiling can break down the thickened custard. Gentle heat keeps the filling smooth and able to set.

Swap the arrowroot

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

  1. Arrowrootthe original
  2. Sweet potatofits about as well
  3. Asparagusfits less well
  4. Leekfits less well

Fit is the average pairing score against flour, milk, egg, 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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