Why it works: Pear and barley share more aroma than cooks usually use. They rank in the top 13% of all ingredient pairs, and cooks put them together in 19 recipes. Both carry isoamyl acetate, which smells banana, fruity. The science ↓
Barley-water
Ingredients
Directions
Prepare the barley
Wash the barley in cold water and drain it.
Put the barley into a saucepan with 1 pint of cold water and boil for 15 minutes.
Strain off the water and add 2 quarts of fresh boiling water.
Reduce and finish
Boil until the liquid is reduced by half, then strain it again.
Flavor with lemon juice before serving.
For added nourishment, boil with gum-arabic.
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.
Photo for illustrative purposes only · Contact us to use it
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.
-
Pear + barleytop 13% of all pairsSmell alikestrongCooked together19 recipes
Shared aroma: isoamyl acetate (banana, fruity).
-
Pear + lemontop 13% of all pairsSmell alikemoderateCooked together942 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Barley + lemontop 13% of all pairsSmell alikemoderateCooked together484 recipes
Shared aroma: 3-hexenal (apple, fruity).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Pearl barley
- Provides the starch and body that give the drink its texture and mild flavor.
- Lemon juice
- Adds acidity that brightens the flavor and balances the sweetness.
- Gum-arabic
- Thickens the liquid slightly and gives it a fuller mouthfeel.
Swap the lemon
How well each one fits the dish's main ingredients (pear, barley):
- Figfits better
- Applefits better
- Plumfits better
- Lemonthe original
Fit is the average pairing score against pear, barley. 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.
More barley water recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.

Lemon Whey33 recipes
Lemon Wine31 recipes
Lemon Squash10 recipes
Lemon Essence8 recipes