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Dessert

Jelly and Custard

A layered dessert of gelatin, custard, and whipped egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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Why it works: Milk and corn are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 6,955 recipes. Both carry hexanal, which smells green, grassy. The science ↓

Jelly and Custard

Ingredients

Directions

Make the jelly

  1. Soak the gelatine in enough water to cover it.

  2. Pour 1 pint of boiling water over the soaked gelatine.

  3. Add 1 cup of white sugar, the juice of 1 lemon, and a little essence of lemon; set aside to stiffen.

Make the custard

  1. In a saucepan, combine 1½ pints of milk, 3 egg yolks, and 1 tablespoon of corn starch; add sugar and flavoring to taste to make custard.

Assemble and top

  1. Once the jelly is set, cut it into squares and layer them in a dish with the cold custard until all is used.

  2. Beat the egg whites to stiff peaks, adding 2-3 teaspoons of confectioners' sugar.

  3. Layer the beaten egg whites with jelly pieces in between.

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. Milk + corntop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

  2. Lemon + corntop 13% of all pairs
    Smell alikemoderate
    Cooked together1,927 recipes

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

  3. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  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

Gelatine
Sets the liquid into a firm, sliceable jelly.
Egg yolks
Thicken the milk into a rich, smooth custard.
Corn starch
Helps thicken the custard so it holds its body.
Egg whites
Whipped to stiff peaks, they give the topping a light, airy texture.

The step that matters

Beat the egg whites to stiff peaks. Egg whites must be fully free of yolk and grease to whip properly. Under-whipped whites stay runny, while over-whipped whites turn dry and grainy, so the topping loses its airy lift.

Swap the lemon

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

  1. Vanillafits better
  2. Coconutfits better
  3. Figfits better
  4. Lemonthe original

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