Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
To Preserve Golden Pippins
Ingredients
Directions
Prepare the jelly
Boil the orange rind until very tender, then soak it in cold water for 3 days.
Pare 1/4 of the pippins and boil them to make a strong jelly.
Strain the boiled pippins through a jelly bag until clear.
Make the preserves
Pare the remaining pippins and remove the cores.
In a preserving kettle, combine the sugar and spring water.
Bring the sugar and water mixture to a boil and skim well.
Add the pippins and orange rind cut into thin strips.
Boil until the sugar thickens and almost candies.
Stir in the pippin jelly.
Boil until the jelly is clear.
Squeeze in the lemon juice.
Bring to a boil.
Transfer to glass jars with the orange peel.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 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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Orange + sugartop 20% of all pairsSmell alikelowCooked together19,212 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
- Golden pippins
- Provide pectin and fruit body, so the preserve sets and holds its shape.
- Loaf sugar
- Adds sweetness and, when boiled down, thickens into a firm preserve that keeps well.
- Orange rind
- Adds aromatic bitterness and flavour from the peel.
- Lemon juice
- Adds acidity that brightens flavour and supports gel setting.
The step that matters
Boil until the sugar thickens and almost candies. Sugar must be concentrated enough to set firmly, but overcooking makes it hard and candied. Watch the texture closely as it nears that point.
“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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