Why it works: Milk and butter 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 ↓
Sponge Gingerbread, Without Eggs
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 the batter
Preheat the oven to 350°F (175°C).
In a large bowl, mix molasses, sour milk, and sugar.
Dissolve baking soda in the milk and add to the mixture.
Melt the butter and stir it in.
Gradually add flour until well combined.
Add ginger and spice to taste.
Bake and serve
Pour the batter into shallow tins.
Bake until golden and eat warm.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Molasses + sugartop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + flourtop 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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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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 dark sweetness, moisture and the characteristic gingerbread flavour.
- Sour milk
- Its acidity reacts with the baking soda to lift the batter.
- Baking soda
- Reacts with the acidic sour milk and molasses to produce gas that makes the cake rise.
- Flour
- Provides the structure that sets the batter as it bakes.
- Butter
- Adds fat for a tender crumb and richer flavour.
The step that matters
Dissolving the baking soda. Baking soda must be fully dissolved and mixed into the acidic sour milk and molasses so it reacts evenly. Uneven distribution leaves pockets of bitter soda and uneven rise.
Swap the ginger
How well each one fits the dish's main ingredients (molasses, milk, sugar, butter, flour):
- Cinnamonfits better
- Nutmegfits better
- Gingerthe original
- Jalapenofits about as well
Fit is the average pairing score against molasses, milk, sugar, 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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