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Dessert

Cheap Cake Filling

A simple sweet filling made from sugar, butter, milk, water, and cocoa, used between cake layers.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Cheap Cake Filling

Ingredients

Directions

Make the filling

  1. Mix sugar, butter, milk, and water in a saucepan.

  2. Cook until the mixture ropes.

  3. Add cocoa or chocolate before removing from heat.

Assemble

  1. Spread between cake layers.

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. Milk + cocoatop 10% of all pairs
    Smell alikemoderate
    Cooked together643 recipes

    Shared aroma: methyl 2-methylbutyrate (fruity, apple).

  3. Butter + cocoatop 15% of all pairs
    Smell alikemoderate
    Cooked together548 recipes

    Shared aroma: delta-undecalactone (coconut, creamy).

  4. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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
Sweetens the filling and, when cooked, thickens into a syrup that firms as it cools.
Butter
Adds fat for richness and a smooth, tender texture.
Milk
Adds moisture and creaminess to the filling.
Cocoa or chocolate
Adds chocolate flavor and aroma.

The step that matters

Cook until the mixture ropes. Cooking until the mixture ropes means the sugar has concentrated enough to thicken as it cools. Too little cooking leaves the filling runny; too much makes it stiff or grainy.

Swap the cocoa

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

  1. Almondfits about as well
  2. Cocoathe original
  3. Pecansfits about as well
  4. Peanutfits less well

Fit is the average pairing score against sugar, butter, milk. 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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