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Dessert

Peach Fruit Sauce

A sweet sauce made with powdered sugar, egg yolk, butter, rum, vanilla, salt, egg white, and crushed peaches or strawberries.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Vanilla and peach match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 558 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Peach Fruit Sauce

Ingredients

Directions

  1. In a bowl, beat together the powdered sugar, egg yolk, and butter until creamy.

  2. Add the rum, vanilla extract, and salt, mixing well.

  3. Fold in the beaten egg white.

  4. Finally, gently mix in the crushed peaches or strawberries.

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 + peachtop 1% of all pairs
    Smell alikestrong
    Cooked together558 recipes

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

  2. Rum + vanillatop 6% of all pairs
    Smell alikemoderate
    Cooked together728 recipes

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

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

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

  4. Rum + peachtop 10% of all pairs
    Smell alikemoderate
    Cooked together84 recipes

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

  5. Butter + rumtop 13% of all pairs
    Smell alikemoderate
    Cooked together1,007 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

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

Butter
Adds fat and richness, and when beaten with sugar it creates a creamy, smooth texture.
Egg white
Beaten and folded in, it adds air and lightens the sauce's texture.
Egg yolk
Adds richness and emulsifies with the butter to help hold the sauce smooth.
Powdered sugar
Sweetens the sauce and dissolves easily into the creamed butter.
Crushed peaches or strawberries
Provide fruit flavour, natural sweetness, and moisture to the sauce.

The step that matters

Folding in the beaten egg white. Folding gently keeps the air beaten into the egg white intact. Stirring vigorously would deflate it and make the sauce denser and less light.

Swap the peach

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

  1. Bananafits better
  2. Pineapplefits about as well
  3. Coconutfits about as well
  4. Peachthe original

Fit is the average pairing score against sugar, egg, butter, rum, 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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