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Custard Sandwiches

A sandwich of bread with currant jelly, topped with a warm custard made from milk, eggs, sugar, and vanilla.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Custard Sandwiches

Ingredients

Directions

Prepare the sandwich

  1. Spread currant jelly or preserves between two pieces of bread to make a sandwich.

Make the custard

  1. In a saucepan, heat milk until warm.

  2. In a bowl, whisk together eggs, sugar, and vanilla extract.

  3. Slowly add warm milk to the egg mixture, whisking constantly.

Assemble and serve

  1. Pour the custard over the sandwiches while hot.

  2. Let cool before serving.

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 + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  3. Bread + milktop 11% of all pairs
    Smell alikemoderate
    Cooked together11,466 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Bread + eggtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  5. Bread + vanillatop 16% of all pairs
    Smell alikemoderate
    Cooked together497 recipes

    Shared aroma: methyl cinnamate (strawberry).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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, giving it body as they cook gently in the warm milk.
Milk
Forms the liquid base of the custard and gives it a soft, creamy texture.
Sugar
Sweetens the custard and helps the mixture feel smooth and rich.
Bread
Soaks up the warm custard, becoming soft and moist around the filling.

The step that matters

Adding warm milk to the eggs. Pouring milk in too fast or whisking too little can scramble the eggs. Adding it slowly while whisking gently raises the temperature so the egg proteins thicken the custard smoothly.

Swap the currant

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

  1. Figfits better
  2. Peachfits better
  3. Apricotfits better
  4. Currantthe original

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