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Sauce

Coffee Sauce

A thickened sauce made from milk, ground coffee, sugar, arrowroot, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Milk and coffee are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,202 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓

Coffee Sauce

Ingredients

Directions

Make the coffee milk

  1. Scald the milk with the ground coffee and let it stand for 20 minutes.

Thicken and serve

  1. Mix the sugar, arrowroot, and salt in a bowl.

  2. Gradually pour the hot coffee infusion through a strainer into the mixture, stirring continuously.

  3. Cook the mixture for 5 minutes and serve hot.

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. Milk + coffeetop 10% of all pairs
    Smell alikemoderate
    Cooked together2,202 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

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

  3. Milk + arrowroottop 18% of all pairs
    Smell alikemoderate
    Cooked together817 recipes

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

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Coffee + arrowroottop 19% of all pairs
    Smell alikemoderate
    Cooked together30 recipes

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

Milk and sugar barely smell alike, yet cooks put them together in 77,875 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

Milk
Forms the liquid base of the sauce and carries the coffee flavor.
Ground coffee
Infuses the milk with coffee aroma and bitterness.
Sugar
Adds sweetness and balances the bitterness of the coffee.
Arrowroot
Thickens the sauce as it heats, giving a smooth, glossy texture.

The step that matters

Gradually pour the hot coffee infusion while stirring continuously. Adding hot liquid slowly while stirring keeps the starch dispersed so it thickens smoothly instead of forming lumps.

Swap the arrowroot

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

  1. Potatofits better
  2. Capsicumfits better
  3. Sweet potatofits about as well
  4. Arrowrootthe original

Fit is the average pairing score against milk, coffee, 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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