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Dessert

Hot Water Cake

A quick cake made with egg, sugar, butter, syrup, baking soda, spices, flour, and boiling water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Cinnamon and nutmeg match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 11,917 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Hot Water Cake

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

  1. In a bowl, mix the egg, sugar, butter, syrup, baking soda, cinnamon, cloves, nutmeg, and flour until well combined. Add the boiling water and mix thoroughly.

Bake

  1. Pour the batter into a greased baking pan.

  2. Bake in a preheated oven at 400°F (200°C) until golden brown.

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. Cinnamon + nutmegtop 1% of all pairs
    Smell alikestrong
    Cooked together11,917 recipes

    Shared aroma: estragole (anise, licorice).

  2. Cinnamon + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together14,189 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  3. Clove + nutmegtop 1% of all pairs
    Smell alikestrong
    Cooked together8,686 recipes

    Shared aroma: estragole (anise, licorice).

  4. Sugar + syruptop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Flour
Provides the structure that holds the cake together as it bakes.
Egg
Binds the batter and helps give the cake structure as it sets.
Baking soda
Reacts with the syrup and heat to lift the batter and help it rise.
Syrup
Adds sweetness, moisture, and deep color to the cake.
Butter
Adds fat for tenderness and rich flavor.
Sugar
Adds sweetness and helps the crust brown during baking.

The step that matters

Add the boiling water and mix thoroughly. Boiling water loosens the batter and dissolves the baking soda evenly, so the cake rises uniformly. Unevenly mixed batter can leave dense pockets or uneven texture.

Swap the clove

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

  1. Cardamomfits better
  2. Allspicefits about as well
  3. Clovethe original
  4. Gingerfits about as well

Fit is the average pairing score against egg, sugar, butter, syrup, cinnamon, nutmeg, 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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