Why it works: Orange and sugar are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 19,212 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Bitter Orange Marmalade
Ingredients
Directions
Prepare the oranges
Slice oranges very thin and remove the seeds.
For each pound of oranges, add 3 pints of cold water and let it sit overnight.
Cook the marmalade
The next morning, boil the mixture for 45 minutes and let it sit overnight again.
For each pound of the mixture, add 1 lb. 3 oz. of white sugar and boil quickly for 45 minutes.
Boil the seeds in 1 pint of water and strain this into the marmalade mixture.
Test a small amount on a saucer to check if it jellies before removing from heat.
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 + sugartop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
Orange and sugar barely smell alike, yet cooks put them together in 19,212 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
- Oranges
- Provide the bitter peel and pulp that give marmalade its characteristic flavor and pectin.
- White sugar
- Sweetens the marmalade and helps it set into a thick, spreadable gel.
- Cold water
- Softens the orange peel and extracts its flavor before the long boil.
The step that matters
Testing for the set on a saucer. Marmalade sets when pectin, acid and sugar reach the right concentration. Testing a cold saucer sample shows whether it will gel; boiling too little or too long can leave it runny or stiff.
“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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