Why it works: Molasses and sugar are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 9,225 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Ginger Bread
Ingredients
Directions
The book says “a rather slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 300°F (150°C).
In a large bowl, combine molasses, sugar, flour, egg, ginger, baking soda, and butter.
Add boiling water to the mixture until it reaches a smooth consistency.
Mix all ingredients together at once without beating the egg separately.
Bake
Pour the batter into a greased baking pan.
Bake in the preheated oven until a toothpick inserted in the center comes out clean.
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.
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Molasses + sugartop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Molasses + gingertop 14% of all pairsSmell alikelowCooked together4,116 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + gingertop 15% of all pairsSmell alikemoderateCooked together8,564 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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, moisture, dark color and the characteristic deep flavor.
- Flour
- Provides the structure that sets the crumb as the batter bakes.
- Egg
- Helps bind the batter and adds structure as it sets in the oven.
- Baking soda
- Reacts with the acidic molasses to produce gas that lifts the batter.
- Butter
- Adds fat for tenderness and a rich mouthfeel.
- Sugar
- Adds sweetness and helps the surface brown during baking.
The step that matters
Adding the boiling water. Boiling water thins the batter and activates the baking soda. Adding it gradually until the batter is smooth prevents a runny batter, which can bake up flat or dense.
Swap the ginger
How well each one fits the dish's main ingredients (molasses, sugar, flour, egg, butter):
- Cinnamonfits better
- Nutmegfits better
- Jalapenofits about as well
- Gingerthe original
Fit is the average pairing score against molasses, sugar, flour, egg, butter. 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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