Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Gruel, Flour
Ingredients
Directions
Make the gruel
Scald the milk in a saucepan.
Mix the flour and salt with a little cold milk to form a paste.
Stir the paste into the scalding milk.
Cook in a double boiler for 30 minutes.
Prepare the raisins
Stone and quarter the raisins.
Add enough water to cover the raisins and cook slowly until the water has evaporated.
Finish and serve
Add the cooked raisins to the gruel just before serving.
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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + raisintop 15% of all pairsSmell alikemoderateCooked together7,155 recipes
Shared aroma: decanoic acid (acides aroma).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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
- Milk
- Forms the liquid base, giving the gruel its body, creaminess and mild sweetness.
- Flour
- Its starch thickens the milk as it heats, setting the gruel to a porridge-like texture.
- Raisins
- Add concentrated sweetness and a chewy texture to the finished gruel.
The step that matters
Stirring the flour paste into the scalding milk. Flour mixed first with a little cold milk disperses evenly. Added dry or to hot liquid unmixed, its starch clumps into lumps that do not smooth out during cooking.
“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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