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Dessert

Lemon or Orange Filling

A citrus filling made from lemon or orange juice, rind, sugar, eggs, milk, and salt.

From an old cookbook · modernised transcription
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Why it works: Lemon and orange 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 ↓

Lemon or Orange Filling

Ingredients

Directions

Make the lemon filling

  1. Mix the juice and grated rind of one lemon with one cup of sugar, the beaten yolks of two eggs, two tablespoonfuls of milk, and a speck of salt.

  2. Cook in a double boiler, stirring constantly until it thickens.

  3. Spread when cold.

Make the orange filling

  1. To make orange filling, use the grated rind and juice of one orange and two teaspoons of lemon juice.

  2. Make the same as lemon filling.

Nutrition, whole recipe (rough)

350Calories
16 gProtein
14 gFat
44 gCarbs
What these numbers assume: 5 portions
IngredientPortion assumedkcal
Milk1 cup (244ml) whole149
Egg1 large egg (50g)78
Orange1 medium (131g)62
Sugar1 tbsp (12.5g) granulated49
Lemonjuice of 1 lemon (48ml)12

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By Norton, Caroline Trask. 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. See the original page.

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 + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

  2. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  3. Milk + orangetop 15% of all pairs
    Smell alikemoderate
    Cooked together4,696 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

Sugar and lemon 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

Sugar
Adds sweetness and body to the filling.
Eggs
Their yolks thicken the filling as it cooks and give it a rich texture.
Lemon
Provides the acidity and aroma that flavour the filling.
Milk
Adds moisture and softness to the filling.

The step that matters

Cook in a double boiler, stirring constantly until it thickens. Egg yolks can curdle or scramble if they get too hot. A double boiler spreads gentle heat, and constant stirring keeps the yolks evenly warmed so the filling thickens smoothly.

Swap the orange

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

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

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