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Dessert

Lemon Cup Custard

A baked lemon custard served in individual cups, sweetened with sugar and garnished with nutmeg.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Lemon and nutmeg match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 11,318 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Lemon Cup Custard

Ingredients

Directions

Prepare

  1. Roll the lemons and squeeze the juice into a bowl.

  2. Mix the lemon juice with ½ cup of cold water.

  3. Gradually add sugar until the mixture is very sweet.

Make the custard

  1. Beat the eggs until very light and stir them into the mixture.

Bake and serve

  1. Pour the mixture into cups and bake until set.

  2. Grate nutmeg over the custards when cold and serve.

  3. Optionally serve with jelly or preserves.

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 + nutmegtop 5% of all pairs
    Smell alikestrong
    Cooked together11,318 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Egg + nutmegtop 17% of all pairs
    Smell alikelow
    Cooked together24,744 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

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

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

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

  5. Sugar + nutmegtop 20% of all pairs
    Smell alikelow
    Cooked together23,364 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Egg and nutmeg barely smell alike, yet cooks put them together in 24,744 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

Eggs
Set the custard as they cook, giving it a soft, sliceable body.
Lemons
Provide the acidity and bright flavour that balances the sugar.
Sugar
Sweetens the lemon juice so the tartness is softened.

The step that matters

Bake until set. Egg proteins coagulate as the custard heats, so underbaking leaves it runny while overbaking makes it grainy or weeping. Remove the cups once the centre just wobbles.

Swap the nutmeg

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

  1. Cinnamonfits about as well
  2. Nutmegthe original
  3. Dillfits about as well
  4. Parsleyfits about as well

Fit is the average pairing score against lemon, sugar, 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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