Why it works: Flour and walnut are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 5,873 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Nut Bread
Ingredients
Directions
The book says “a medium oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Make the batter
Sift together flour, sugar, baking powder, and salt.
Add the beaten egg, milk, and walnut meats, and mix all thoroughly.
Pour the mixture into a bread tin and let it stand for 20 minutes.
Bake
Bake in a moderate oven at 350°F (175°C) until done.
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.
Photo for illustrative purposes only · Contact us to use it
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 + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Walnut + meattop 13% of all pairsSmell alikemoderateCooked together1,035 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 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
- Flour
- Forms the main structure that holds the loaf together as it bakes.
- Egg
- Binds the batter and adds structure and richness to the crumb.
- Baking powder
- Releases gas in the wet batter and in the oven, lifting the loaf so it rises.
- Milk
- Hydrates the flour and adds moisture, so the bread bakes soft rather than dry.
- Sugar
- Adds sweetness and helps the crust brown in the oven.
- Walnut meats
- Adds chopped pieces that give the bread a nutty flavour and a firmer texture.
The step that matters
Mixing the batter. Once the flour meets liquid, gluten starts to form. Mixing only until the batter is combined keeps the loaf tender. Overmixing makes quick breads dense and tough, and can stop the baking powder's gas from lifting the batter evenly.
Swap the walnut
How well each one fits the dish's main ingredients (flour, sugar, egg, milk, meat):
- Almondfits better
- Chestnutfits about as well
- Walnutthe original
- Pistachiofits about as well
Fit is the average pairing score against flour, sugar, egg, milk, meat. 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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