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 ↓
Hot Chocolate Sauce for Ice Cream
Ingredients
Directions
Make the sauce
In a saucepan, combine brown sugar, sweet milk, and bitter chocolate.
Bring to a boil and cook until it forms a soft ball when dropped in cold water.
Remove from heat and stir in the butter until melted.
Serve
Pour the hot sauce over each dish of ice cream.
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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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
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Milk + chocolatetop 13% of all pairsSmell alikemoderateCooked together9,128 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Chocolate + buttertop 16% of all pairsSmell alikemoderateCooked together10,543 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Brown sugar
- Adds sweetness and a caramel-like depth to the sauce.
- Sweet milk
- Provides the liquid base that dissolves the sugar and carries the chocolate.
- Bitter chocolate
- Gives the sauce its chocolate flavor and body as it melts into the liquid.
- Butter
- Adds richness and a smooth, glossy texture when stirred in off the heat.
The step that matters
Cooking to the soft-ball stage. Sugar concentration determines the sauce's thickness once cooled. Cooking too little leaves it thin, while cooking too long makes it stiff and grainy when it sets.
“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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