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 ↓
Orange Marmalade
Ingredients
Directions
Prepare the fruit
Peel the oranges carefully and remove a little of the white pith.
Boil the rinds in water for 2 hours, changing the water three times to reduce bitterness.
Break the pulp into small pieces and remove all the pips.
Cut the boiled rind into chips.
Make the syrup
Make a syrup with the sugar and water.
Boil the syrup well.
Skim the syrup.
Cook and pot
Add the pulp, chips, lemon juice, and grated rind to the syrup and stir.
Boil all together for 20 minutes to ½ hour.
Pour the mixture into pots.
When cold, cover the pots with bladders or tissue-paper brushed over both sides with the white of an egg.
Nutrition, whole recipe (rough)
Counts 2 of 3 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.
What these numbers assume: 2 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Orange | 1 medium (131g) | 62 |
| Lemon | juice of 1 lemon (48ml) | 12 |
| Water | not in our table | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
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. See the original page.
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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oranges
- Provides the fruit flavour and, through the pulp and pith, pectin that helps the marmalade set.
- Lemons
- Adds acidity and extra pectin, helping the marmalade set and balancing its sweetness.
- Sugar (in the method)
- Sweetens the marmalade and, with the fruit's pectin, helps it set.
The step that matters
Boil the mixture until it sets. Boiling concentrates the sugar and lets the fruit's pectin gel as the marmalade cools. Too short a boil leaves it runny; too long can darken it and make it overly thick.
“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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