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 ↓
Currant Ick
Ingredients
Directions
Prepare
Squeeze the picked currants through a sieve to extract the juice.
Boil the sugar until it reaches a very high temperature.
If desired, add the juice of four lemons to the currant juice for a mellower flavor.
Strain the mixture again through the sieve.
Finish
Transfer the mixture to a suitable pot and finish as you would with other ice recipes.
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).
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Currant + lemontop 20% of all pairsSmell alikelowCooked together4,270 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Currant + sugartop 26% of all pairsSmell alikelowCooked together12,256 recipes
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
- Picked currants
- Provide the main flavor and tartness of the ice through their juice.
- Sugar
- Adds sweetness and lowers the freezing point, keeping the ice softer and scoopable.
- Lemons
- Add acidity that brightens the currant flavor.
The step that matters
Boil the sugar to a very high temperature. Sugar dissolved in the syrup lowers the freezing point and softens the texture of the ice. Cooking it to a higher temperature concentrates the syrup and changes how firm the finished ice becomes. Overcooking can cause browning and a bitter taste.
Swap the currant
How well each one fits the dish's main ingredients (sugar, lemon):
- Orangefits better
- Limefits better
- Vanillafits better
- Currantthe original
Fit is the average pairing score against sugar, lemon. 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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