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Dessert

Orange Filling

A sweet orange filling made with sugar, egg, flour, butter, orange rind, lemon juice, and orange juice.

From an old cookbook · modernised transcription
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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 Filling

Ingredients

Directions

  1. Mix the ingredients in the order given.

  2. Bring to a boil, stirring constantly.

  3. Then cook in the top of a double boiler for 10 minutes to remove the raw taste of the flour.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

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

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Sugar
Adds sweetness and helps thicken the filling as it cooks.
Egg
Thickens the filling as it heats and adds richness and structure.
Flour
Thickens the filling as it cooks; cooking it removes its raw taste.
Orange rind
Adds aromatic citrus oil and flavor to the filling.
Orange juice
Adds liquid, acidity and bright citrus flavor to the filling.

The step that matters

Cook long enough to cook out the flour. Flour must be heated fully to thicken properly and lose its raw, pasty taste. Stirring constantly while bringing it to a boil prevents scorching and lumps, since the egg can curdle or the starch can clump if heated unevenly.

Swap the orange

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits about as well
  4. Orangethe original

Fit is the average pairing score against sugar, egg, flour, butter, lemon. 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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