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Dessert

Arrowroot Custard

A sweet custard made with arrowroot, milk, sugar, eggs, and vanilla.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Arrowroot and vanilla match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 242 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Arrowroot Custard

Ingredients

Directions

Make the custard

  1. Mix arrowroot with ½ cup of milk until smooth.

  2. Add the remaining milk and sugar, and heat over medium heat, stirring constantly until thickened.

  3. Beat the eggs in a bowl.

  4. Gradually add a small amount of the hot mixture to the eggs to temper them.

  5. Stir the egg mixture back into the saucepan.

  6. Cook for 2 more minutes, stirring constantly.

  7. Remove from heat.

  8. Stir in vanilla extract.

Serve

  1. Pour into serving dishes.

  2. Chill before serving.

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. Arrowroot + vanillatop 3% of all pairs
    Smell alikestrong
    Cooked together242 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  3. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

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

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

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Arrowroot
Thickens the milk into a smooth, glossy custard as it heats.
Eggs
Add richness and help set the custard once gently cooked.
Sugar
Sweetens the custard and adds body to its texture.
Milk
Forms the liquid base that thickens into the custard.

The step that matters

Tempering the eggs. Adding hot mixture to eggs gradually, rather than all at once, raises their temperature slowly so they do not scramble. Stirring constantly during the final cook keeps the custard smooth.

Swap the arrowroot

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

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

Fit is the average pairing score against milk, sugar, egg, vanilla. 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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