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Dessert

Hot Water Gingerbread

A gingerbread batter made with molasses, ginger, baking soda, butter, salt, flour, and boiling water, baked into a cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Hot Water Gingerbread

Oven, in the book's wordsA hot oven

Ingredients

Directions

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

Make the batter

  1. Mix the molasses, ginger, baking soda, coarse sea salt, melted butter, and boiling water together.

  2. Gradually add the sifted flour and mix until combined.

  3. Pour the batter into a greased baking dish.

Bake

  1. Bake at 400°F (200°C) for 30 minutes.

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 + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Molasses + gingertop 14% of all pairs
    Smell alikelow
    Cooked together4,116 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Ginger + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together8,564 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Molasses + flourtop 16% of all pairs
    Smell alikemoderate
    Cooked together10,429 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Ginger + buttertop 26% of all pairs
    Smell alikemoderate
    Cooked together7,152 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Molasses
Adds sweetness, dark color, and moisture, and gives the gingerbread its characteristic flavor.
Baking soda
Reacts with the acidic molasses to release gas, helping the gingerbread rise and darken.
Flour
Provides the structure that holds the gingerbread together as it bakes.
Melted butter
Adds fat for a tender crumb and richer flavor.
Ginger
Contributes the warm, spicy aroma that defines the gingerbread.

The step that matters

Mixing in the flour. Mix only until the flour is combined. Overmixing develops too much gluten in the flour, which makes the gingerbread tough and dense instead of tender.

Swap the ginger

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

  1. Cinnamonfits better
  2. Jalapenofits better
  3. Nutmegfits better
  4. Gingerthe original

Fit is the average pairing score against molasses, butter, 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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