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Dessert

Fruit Glace

Fruit Glace is candied fruit made by boiling sugar, water, cream of tartar, and vinegar, then adding walnuts or orange quarters.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Fruit Glace

Ingredients

Directions

  1. In a saucepan, combine sugar, water, cream of tartar, and vinegar.

  2. Boil the mixture until it reaches a brittle stage.

  3. Drop in English walnuts or orange quarters.

  4. Cool the fruit on glazed paper.

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. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  2. Sugar + vinegartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

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

  3. Cream + walnuttop 21% of all pairs
    Smell alikelow
    Cooked together1,982 recipes

    Shared aroma: octanal (fat, soap).

  4. Vinegar + walnuttop 22% of all pairs
    Smell alikemoderate
    Cooked together1,769 recipes

    Shared aroma: sotolon (curry, maple).

  5. Cream + vinegartop 25% of all pairs
    Smell alikemoderate
    Cooked together4,064 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

What each ingredient does

White sugar
Forms the syrup that hardens into the glossy, crisp candy coating as it cools.
Cream of tartar
Acid that helps prevent the sugar from crystallizing, keeping the coating smooth.
Vinegar
Acid that also discourages sugar crystals, helping the syrup stay clear and smooth.

The step that matters

Boil to the brittle stage. The final sugar concentration sets how hard the coating becomes when cooled. Stopping early leaves a sticky coating, while overcooking makes the sugar darken, taste bitter, and set too hard.

Swap the walnut

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

  1. Chestnutfits better
  2. Sesamefits better
  3. Almondfits better
  4. Walnutthe original

Fit is the average pairing score against sugar, cream, vinegar. 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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