Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Plain Sauce
Ingredients
Directions
In a saucepan, mix the cornstarch and sugar thoroughly.
Gradually stir in the boiling water and boil gently for two minutes.
Remove from heat, add flavoring, and serve.
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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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Cornstarch
- Thickens the sauce as it heats in the boiling water, giving it body.
- Sugar
- Adds sweetness and helps keep the sauce smooth and glossy.
The step that matters
Boiling the cornstarch mixture. Cornstarch only thickens fully once it reaches a boil and its starch granules swell. Stirring in the water gradually prevents lumps, and the sauce must be boiled for the full two minutes to reach its final thickness.
“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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