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Dessert

Orange Frosting

A citrus frosting made from orange rind, juice, lemon juice, egg yolk, and confectioner's sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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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 Frosting

Ingredients

Directions

  1. Combine the grated orange rind with the orange and lemon juices and let it stand for 15 minutes.

  2. Strain the mixture and gradually add it to the slightly beaten egg yolk.

  3. Stir in confectioner's sugar until the frosting reaches a spreadable consistency.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  4. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 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

Egg yolk
Adds richness and helps bind the frosting into a smooth, creamy texture.
Confectioner's sugar
Provides sweetness and thickens the liquid into a spreadable frosting.
Orange juice
Adds liquid and bright citrus flavor that carries the orange taste through the frosting.
Orange rind
Contributes concentrated aromatic oils that give the frosting its fresh orange aroma.

The step that matters

Adding the sugar gradually until spreadable. Confectioner's sugar thickens the liquid as it dissolves. Adding too much at once or too little can leave the frosting either runny or stiff, so add it in stages and check the consistency.

Swap the orange

How well each one fits the dish's main ingredients (lemon, egg, sugar):

  1. Orangethe original
  2. Vanillafits about as well
  3. Limefits less well
  4. Raisinfits less well

Fit is the average pairing score against lemon, egg, sugar. Candidates are from the same food group and used in at least 100 recipes.

“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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