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 ↓
Syrup for Preserves
Ingredients
Directions
Combine sugar, water, and egg white in a large, white, china-lined kettle.
Stir well and bring to a boil over medium heat.
Boil for 5 minutes, ensuring it bubbles and froths.
If it rises too quickly, add a dash of cold water to prevent boiling over.
Remove from heat and let it settle.
Skim the syrup thoroughly.
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.
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked 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 sweet syrup base that the preserve is built on.
- Egg white
- Binds to impurities and rises to the surface as foam, which is skimmed off to clarify the syrup.
The step that matters
Boiling and skimming the syrup. Boiling makes the egg white foam rise and carry impurities to the surface, and the syrup can boil over quickly. Adding a little cold water when it rises too fast calms the foam. Skimming thoroughly after it settles removes the coagulated impurities, leaving a clear syrup.
“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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