Why it works: Barley and lemon work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 484 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Barley Water
Ingredients
Directions
Prepare the barley
Cover the barley with cold water and boil for 2 minutes, then strain.
Infuse and serve
In a jug, combine the barley, sugar, and lemon rind.
Pour in the boiling water and cover closely.
When cool, strain and serve.
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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Barley + lemontop 13% of all pairsSmell alikemoderateCooked together484 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Barley + sugartop 21% of all pairsSmell alikemoderateCooked together755 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Pearl barley
- Starch from the barley thickens the liquid slightly and gives the drink its body and mild flavor.
- Lemon rind
- Aromatic oils from the peel add fragrance and a light citrus flavor to the water.
- Sugar
- Adds sweetness that balances the mild, slightly tart citrus flavor.
The step that matters
Covering the jug while the barley infuses. Keeping the jug closed traps the volatile aromatic oils from the lemon rind and the steam, so the flavor is captured in the liquid rather than escaping into the air.
Swap the lemon
How well each one fits the dish's main ingredients (barley, sugar):
- Vanillafits better
- Figfits better
- Raisinfits better
- Lemonthe original
Fit is the average pairing score against barley, sugar. 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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