Why it works: Butter and milk 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 ↓
Ginger Snaps
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 dough
In a large bowl, combine molasses, sugar, butter, lard, and sour milk.
Add baking soda and ginger, mixing well.
Drop spoonfuls of the mixture onto baking sheets.
Bake
Bake in a preheated oven at 400°F (200°C) until golden.
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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Butter + milktop 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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Molasses + gingertop 14% of all pairsSmell alikelowCooked together4,116 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sugar + gingertop 17% of all pairsSmell alikelowCooked together14,054 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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, and deep color to the dough.
- Sugar
- Adds sweetness and helps the cookies brown in the oven.
- Butter
- Adds fat for flavor and a tender texture.
- Lard
- Adds fat that helps keep the cookies tender.
- Sour milk
- Adds acidity that reacts with baking soda to help the cookies rise.
- Baking soda
- Reacts with the acidic sour milk to produce gas for lift and spread.
The step that matters
Bake until golden. Molasses and sugar brown quickly, so the color is the main cue for doneness. Pulling the cookies once golden keeps them from darkening, burning, or drying out.
Swap the ginger
How well each one fits the dish's main ingredients (molasses, sugar, butter, milk):
- Cinnamonfits better
- Nutmegfits about as well
- Gingerthe original
- Clovefits about as well
Fit is the average pairing score against molasses, sugar, butter, milk. 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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