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 ↓
Simple Plum Pudding
Ingredients
Directions
Prepare the batter
In a large bowl, mix together the ground rice, flour, chopped suet, sugar, seeded raisins, and milk until well combined.
Add the vinegar and baking soda to the mixture and stir until incorporated.
Pour the mixture into a greased pudding mold.
Cook and serve
Boil the pudding for three hours.
Serve with lemon sauce.
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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Rice + milktop 7% of all pairsSmell alikemoderateCooked together7,374 recipes
Shared aroma: 2-nonenal (fatty, green).
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Rice + raisintop 12% of all pairsSmell alikemoderateCooked together565 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and milk 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
- Ground rice
- Gives the pudding a tender, slightly grainy body as it cooks.
- All-purpose flour
- Provides structure so the pudding holds its shape when cooked.
- Chopped suet
- Adds fat that keeps the pudding moist and rich.
- Sugar
- Adds sweetness and helps browning at the surface.
- Baking soda
- Reacts with the vinegar to produce gas that lightens the pudding.
- Vinegar
- Reacts with the baking soda to help the pudding rise and turn lighter.
The step that matters
Adding the vinegar and baking soda. Baking soda needs an acid to react and release gas. Stirring the vinegar and baking soda in promptly, then getting the pudding into the mold, keeps the bubbles trapped so the pudding rises rather than going flat.
Swap the raisin
How well each one fits the dish's main ingredients (rice, flour, sugar, milk, vinegar):
- Vanillafits about as well
- Raisinthe original
- Figfits less well
- Blueberryfits less well
Fit is the average pairing score against rice, flour, sugar, milk, vinegar. Candidates are from the same food group and used in at least 100 recipes.
“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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