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Dessert

Clarifying Syrup

A syrup made by dissolving sugar in water, adding egg white, and straining for clarity.

From an old cookbook · modernised transcription
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Why it works: Sugar and egg are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 122,807 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Clarifying Syrup

Ingredients

Directions

  1. Dissolve the sugar in water in a pot over low heat for 30 minutes.

  2. Stir in the egg white and skim off any impurities that rise.

  3. For a clearer syrup, strain it through a jelly bag.

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 + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

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

What each ingredient does

White sugar
Forms the bulk of the syrup and provides sweetness.
Egg white
Coagulates as it heats, trapping impurities so they can be skimmed off and the syrup clarified.

The step that matters

Stirring in the egg white. The egg white must be mixed in evenly before the syrup gets hot enough to set it. Proteins in the white coagulate and bind suspended impurities, which then rise to the surface for skimming. If the white cooks in clumps or is not well dispersed, impurities stay in the syrup and it stays cloudy.

“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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