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Dessert

Chocolate Sauce

A sweet sauce made from sugar, water, chocolate, milk, arrowroot, vanilla, and cinnamon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Vanilla and cinnamon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 5,287 recipes. Both carry 4-methoxybenzaldehyde, which smells sweet, anise. The science ↓

Chocolate Sauce

Ingredients

Directions

Make the syrup

  1. Boil sugar and water together for 5 minutes.

Thicken and finish

  1. Stir in chocolate dissolved in milk and arrowroot dissolved in cold water.

  2. Boil for 5 more minutes, stirring steadily.

  3. Add vanilla and a dash of cinnamon, then serve.

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. Vanilla + cinnamontop 1% of all pairs
    Smell alikestrong
    Cooked together5,287 recipes

    Shared aroma: 4-methoxybenzaldehyde (sweet, anise).

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

    Shared aroma: coumarin (sweet, hay).

  3. Arrowroot + cinnamontop 4% of all pairs
    Smell alikestrong
    Cooked together166 recipes

    Shared aroma: coumarin (sweet, hay).

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

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

  5. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

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

What each ingredient does

Sugar
Adds sweetness and body to the base syrup.
Chocolate
Provides the main flavor and deep color of the sauce.
Arrowroot
Thickens the sauce as it heats, giving it a glossy body.
Milk
Adds richness and a softer, creamier texture.

The step that matters

Stirring while the arrowroot cooks. Arrowroot is a starch that thickens when heated, but it can clump or scorch on the bottom of the pan if left unstirred. Steady stirring keeps the starch evenly dispersed so the sauce stays smooth as it thickens.

Swap the arrowroot

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

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

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