Why it works: Rum and butter are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 1,007 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Pudding Sauce
Ingredients
Directions
In a small saucepan, melt the butter over low heat.
Whisk in the sugar until well combined.
Add the rum and mix thoroughly.
Finally, stir in the lemon juice.
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.
Photo for illustrative purposes only · Contact us to use it
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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Rum + buttertop 13% of all pairsSmell alikemoderateCooked together1,007 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Rum + sugartop 14% of all pairsSmell alikelowCooked together2,908 recipes
Shared aroma: beta-damascenone (apple, rose).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Butter
- Adds richness and a smooth, silky body to the sauce.
- Sugar
- Adds sweetness and helps give the sauce its body as it dissolves into the melted butter.
- Rum
- Contributes the main aroma and flavour that defines the sauce.
- Lemon juice
- Adds acidity that brightens and balances the sweetness.
The step that matters
Melting the butter over low heat. Gentle heat melts the butter without browning or separating it, keeping the sauce smooth. High heat can scorch the milk solids and make the sauce grainy or bitter.
Swap the lemon
How well each one fits the dish's main ingredients (rum, butter, sugar):
- Vanillafits better
- Pineapplefits better
- Bananafits better
- Lemonthe original
Fit is the average pairing score against rum, butter, sugar. 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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