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 ↓
Flour Gruel
Ingredients
Directions
Make the gruel
Heat 1 pint of milk in a double boiler.
Mix ½ cup of cold water with 1 tablespoon of flour, then add to the boiling milk.
Cook for 20 minutes, stirring occasionally.
Season with ¼ teaspoon of salt, then strain the mixture.
Serve
Serve hot, adding ½ cup of raisins and a grating of nutmeg if desired.
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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Raisin + nutmegtop 6% of all pairsSmell alikemoderateCooked together5,377 recipes
Shared aroma: alpha-terpineol (lilac, floral).
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Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 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 and adds richness and body to the gruel.
- Flour
- Thickens the milk as its starch swells and sets when heated.
The step that matters
Mixing the flour into cold water before adding it to the milk. Flour starch clumps if it hits hot liquid dry or undispersed. Mixing it smoothly into cold water first lets each granule separate, so it thickens the milk evenly when 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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