Why it works: Gelatin and cream match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,628 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓
Chocolate Ice Cream
Ingredients
Directions
Make the custard
Scald the milk in a saucepan.
Add sugar, eggs, and the smooth chocolate mixture, then beat well.
Heat over low flame, stirring constantly, until thickened.
Remove from heat and stir in the dissolved gelatin.
Freeze
Let cool, then place in a freezer.
When it begins to set, fold in the whipped cream.
Mold and serve
For a chocolate and vanilla mold, freeze in separate containers.
Layer in a mold divided by cardboard.
Set the mold in ice and salt for at least an hour.
For chocolate fruit ice cream, add preserved peaches or other preserves when almost frozen.
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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Gelatin + creamtop 7% of all pairsSmell alikestrongCooked together1,628 recipes
Shared aroma: acetic acid (sour, vinegar).
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Sugar + gelatintop 7% of all pairsSmell alikemoderateCooked together2,778 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Chocolate + creamtop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 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
- Eggs
- Thicken the custard as they cook and add richness to the base.
- Gelatin
- Helps the frozen cream set firmly and keeps it from becoming icy.
- Heavy cream
- Whipped and folded in, it adds lightness and a creamy texture.
- Chocolate
- Provides the main flavor of the ice cream.
- Sugar
- Adds sweetness and keeps the frozen mixture softer to scoop.
- Whole milk
- Forms the liquid base that the eggs and chocolate are cooked into.
The step that matters
Thickening the custard over low heat. Stirring constantly over low heat keeps the eggs from overheating and scrambling, so the custard thickens smoothly before the gelatin is added.
“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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