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Dessert

Leroy's Birthday Cake

A layered cake with a sweet milk and butter batter, filled with a corn‑starch custard flavored with orange extract.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Leroy's Birthday Cake

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the cake

  1. Preheat the oven to 350°F (175°C).

  2. In a bowl, mix the eggs, sugar, butter, sweet milk, baking powder, nutmeg, and enough flour to form a dough that is just stiff enough to run.

  3. Bake the mixture in layers.

Make the filling

  1. For the filling, dissolve the corn‑starch in a small amount of the boiling milk.

  2. Add the butter and sugar to the dissolved corn‑starch, then pour in the remaining boiling milk while stirring briskly until partially cool.

  3. Stir in the orange extract and the well‑beaten egg yolk.

Assemble and serve

  1. Fill between the baked layers with the filling and ice the top with the egg white.

  2. Serve while warm.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Nutmeg + orangetop 8% of all pairs
    Smell alikestrong
    Cooked together2,746 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Nutmeg + flourtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: hexanal (green, grassy).

  5. Nutmeg + corntop 10% of all pairs
    Smell alikemoderate
    Cooked together563 recipes

    Shared aroma: estragole (anise, licorice).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Eggs
Bind the batter and add structure to the cake crumb.
Flour
Forms the dough-like batter that gives the cake its structure.
Baking powder
Releases gas in the batter so the layers rise and become light.
Sugar
Sweetens the cake and helps it brown during baking.
Butter
Adds fat for tenderness and richness in the cake and filling.
Corn-starch
Thickens the boiling milk into a set filling between the layers.

The step that matters

Pour in the boiling milk while stirring briskly. Stirring while adding the hot milk keeps the cornstarch dispersed so it thickens smoothly instead of forming lumps. Cornstarch thickens as it heats with liquid, so the filling must be stirred until partially cool to set properly.

Swap the orange

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

  1. Vanillafits better
  2. Raisinfits better
  3. Coconutfits better
  4. Orangethe original

Fit is the average pairing score against egg, sugar, butter, milk, nutmeg, flour, 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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