Why it works: Grapefruit and sugar work together. They rank in the top 26% of all ingredient pairs, and cooks put them together in 309 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Grapefruit Peel Candied
Ingredients
Directions
Prepare the peel
Remove the tough thin white skin from grapefruit halves, leaving the thick white part. Cut the peel into strips or 1-inch squares.
Place the peel in cold water and boil for 20 minutes. Drain and repeat this process with boiling water three more times, for a total of 80 minutes of boiling.
Candy and coat
After the final draining, add a scant measure of sugar equal to the amount of peel you initially cut. Cook until thick.
Drain again and roll the peel in fine sugar. Store in boxes; it will keep for weeks.
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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Grapefruit + sugartop 26% of all pairsSmell alikelowCooked together309 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Grapefruit peel
- Provides the candied body and bitter citrus flavour once softened and sweetened.
- Sugar
- Sweetens the peel and, once cooked thick, preserves it and gives it a glossy, non-sticky coating.
The step that matters
Repeated boiling in fresh water. Boiling in several changes of water draws out the bitterness and softens the thick white pith. Skipping changes or shortening the boils leaves the peel bitter and tough, so the sugar cannot pull it into a tender candy.
“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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