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 ↓
Black Pudding
Ingredients
Directions
Make the pudding
In a bowl, cream together the butter and sugar.
Add the beaten eggs, then mix in the molasses and grated nutmeg.
Gradually add the flour and sour milk, mixing well.
Dissolve the baking soda in a little warm water and add to the mixture.
Pour the batter into a greased mold and steam for 3 hours.
Make the sauce
For the sauce, cream together ½ cup butter and 1 cup sugar.
In a saucepan, bring 1½ cups water to a boil.
Thicken the boiling water with flour until it reaches a cream‑like consistency.
Remove from heat and quickly stir in the butter and sugar mixture until foamy.
Flavor the sauce to taste.
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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Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
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).
-
Sugar + saucetop 13% of all pairsSmell alikestrongCooked together5,147 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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
- Eggs
- Bind the batter and add structure and richness as they set during steaming.
- Flour
- Provides the structure of the pudding and thickens the sauce when cooked with water.
- Baking soda
- Reacts with the acidic sour milk and molasses to produce gas that lightens the pudding.
- Sour milk
- Its acidity activates the baking soda and adds tenderness to the batter.
- Molasses
- Adds dark color, moisture and deep sweetness to the pudding.
- Butter
- Adds fat for a tender crumb and richness to both the pudding and sauce.
The step that matters
Adding the baking soda. Baking soda needs an acid, here the sour milk and molasses, to release gas. Dissolving it in warm water and stirring it in promptly keeps the batter light; delay lets the gas escape before steaming sets the pudding.
Swap the nutmeg
How well each one fits the dish's main ingredients (molasses, butter, sugar, flour, milk, egg, sauce):
- Cinnamonfits better
- Nutmegthe original
- Gingerfits less well
- Capersfits less well
Fit is the average pairing score against molasses, butter, sugar, flour, milk, egg, sauce. 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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