Why it works: Sugar and lemon are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Birch-Wine
Ingredients
Directions
Make the wine
Boil the birch sap with the sugar and lemon paring, skimming well.
Let the mixture cool, then add fresh yeast.
Allow it to ferment for 4 to 5 days, then seal it tightly.
Age and bottle
After 4 months, rack it off and bottle it.
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 + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Birch sap
- Forms the base liquid that the sugar and yeast work in.
- White sugar
- Feeds the yeast, which turns it into alcohol and carbon dioxide during fermentation.
- Fresh yeast
- Ferments the sugar into alcohol, driving the wine's fermentation.
The step that matters
Skimming while boiling the birch sap. Boiling skims off impurities and foam from the sap, which helps keep the wine clear and reduces off-flavours in the finished drink.
“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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