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Dessert

Candied Orange or Lemon Peels

A sweet treat made by soaking citrus peels in salt and water, then boiling in sugar syrup and drying.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Candied Orange or Lemon Peels

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F in the steps is the modern equivalent, not the book's own figure.

Prepare the peel

  1. Soak the cleaned lemon or orange peels in salt and water for 2 days.

  2. Scald and drain the peels until dry.

Candy the peel

  1. Boil the peels in a thin syrup until they look clear.

  2. Prepare a thick syrup with fine loaf sugar and add the peels.

  3. Simmer until the sugar candies around the peels.

  4. Lay the peels separately on a wire rack to drain.

Dry

  1. Sprinkle sifted sugar over the peels and let them dry in a cool oven (300°F / 150°C).

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. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

Lemon and sugar 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

Lemon or orange peels
Provide the main flavour and the candied body once sugar penetrates the peel.
Fine loaf sugar
Forms a thick syrup that candies the peel, preserving it and making it sweet and glossy.

The step that matters

Simmering in the thick syrup until the sugar candies. If the syrup is too hot or the peel is simmered too hard, the sugar can crystallise unevenly or the peel can break down. Gentle simmering lets sugar slowly replace the water in the peel, so it becomes translucent and holds its shape.

“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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