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Dessert

Grapefruit Marmalade

A preserve made from grapefruit peel and pulp, sugar, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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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 Marmalade

Ingredients

Directions

Prepare the peel

  1. Peel the grapefruit.

  2. Soak the peels in salt water for 2 hours.

  3. Drain the peels.

  4. Cover with fresh water.

  5. Boil until clear.

  6. Drain again.

  7. Remove the white pith from the peels.

  8. Cut the yellow peel into thin strips using sharp scissors.

  9. Remove the white lining from the pulp while the peels are boiling.

Cook the marmalade

  1. Place the pulp with sugar in a pot.

  2. Heat on the stove.

  3. Add the chopped peel.

  4. Cook until thick and clear.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Grapefruit + sugartop 26% of all pairs
    Smell alikelow
    Cooked 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
Provides the bitter peel and the pulp that gives the marmalade its flavour and pectin.
Sugar
Sweetens the marmalade and helps it thicken and set as it cooks.

The step that matters

Cook until thick and clear. Marmalade sets when enough sugar and pectin are concentrated by cooking. Stopping too early leaves it runny, while overcooking can make it stiff and dull in flavour.

“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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