Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Treacle Pudding
Ingredients
Directions
Prepare the batter
Boil a large saucepan of water.
Chop the suet finely after removing the skin.
In a bowl, combine flour, salt, and baking powder.
Add chopped suet and ground ginger, mixing well.
In another bowl, mix treacle, milk, and egg.
Stir the wet mixture into the dry ingredients, adding more milk if needed to achieve a stiff batter.
Steam and serve
Grease a quart basin and pour the mixture in, ensuring it's full.
Sprinkle flour on top, cover with a cloth, and tie it tightly with string.
Place the pudding in the boiling water and boil for two hours.
Remove the pudding from the saucepan and take off the cloth.
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 + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + gingertop 15% of all pairsSmell alikemoderateCooked together8,564 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Ginger + milktop 19% of all pairsSmell alikemoderateCooked together4,519 recipes
Shared aroma: methyl 2-methylbutyrate (fruity, apple).
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
- Flour
- Forms the structure of the suet pudding batter.
- Suet
- Adds richness and a tender, moist crumb as it melts during cooking.
- Baking powder
- Releases gas to lift the pudding so it rises rather than staying dense.
- Treacle
- Provides sweetness, dark colour and a rich molasses flavour.
- Egg
- Binds the batter and helps give the pudding its set structure.
The step that matters
Tying the cloth tightly and keeping the pudding full. Batter that is not sealed or packed into the basin can let water seep in and become soggy, and a loose cover can let steam escape or the cloth swell unevenly. A tight seal and a full basin keep the pudding moist and evenly cooked during the long steam.
Swap the ginger
How well each one fits the dish's main ingredients (flour, milk, egg):
- Nutmegfits better
- Cinnamonfits better
- Jalapenofits better
- Gingerthe original
Fit is the average pairing score against flour, milk, egg. 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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