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Baking

Surprise Cake

A simple cake made with egg, sweet milk, baking soda, cream of tartar, lemon flavor, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Surprise 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.

Prepare

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

Mix the batter

  1. In a mixing bowl, combine the egg and sweet milk.

  2. Add the baking soda and cream of tartar, mixing well.

  3. Flavor the mixture with lemon to your taste.

  4. Gradually add flour until the batter reaches the desired consistency.

Bake

  1. Pour the batter into a greased cake pan and bake until golden.

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 + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + creamtop 18% of all pairs
    Smell alikemoderate
    Cooked together29,399 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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

Egg
Binds the batter and adds structure as it sets in the oven.
Sweet milk
Adds moisture and liquid so the flour can hydrate into batter.
Baking soda
Reacts with the acid in the batter to produce gas that makes the cake rise.
Cream of tartar
Provides acidity that activates the baking soda and helps stabilise the batter.
Flour
Forms the main structure of the cake as its proteins and starches set when baked.

The step that matters

Adding the baking soda and cream of tartar. Baking soda and cream of tartar react as soon as they meet liquid, releasing gas. Mixing them in and then delaying the bake lets that gas escape, so the cake may rise less. Get the pan into the oven promptly after the batter is mixed.

Swap the lemon

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

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

Fit is the average pairing score against egg, milk, cream, flour. 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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