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: Mrs. Babcock
Ingredients
Directions
The book says “a good hot oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 350°F (175°C).
In a large bowl, beat the eggs lightly.
Make the batter
Add the sweet milk, sugar, salt, and baking powder; mix well.
Gradually stir in the sifted flour until combined.
Fold in the chopped walnuts.
Beat the mixture hard until smooth.
Bake
Pour the batter into two greased 9-inch loaf pans.
Bake for 45 minutes or until a toothpick comes out clean.
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 + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 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).
-
Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + walnuttop 16% of all pairsSmell alikemoderateCooked together3,236 recipes
Shared aroma: 1-hexanal (fruit).
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
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Baking powder
- Releases gas in the batter so the loaf rises and becomes light.
- Sifted flour
- Forms the gluten network that gives the loaf its structure as it bakes.
- Sugar
- Sweetens the loaf and helps the crust brown during baking.
- Sweet milk
- Adds moisture and hydrates the flour so the batter can form.
- English walnuts
- Add texture, crunch and a rich, nutty flavor to the crumb.
The step that matters
Beat the mixture hard until smooth. Vigorous beating after the flour is in develops gluten, which firms the crumb. Over-mixing can make a tougher loaf, so stop once the batter is smooth.
Swap the walnut
How well each one fits the dish's main ingredients (egg, milk, sugar, flour):
- Almondfits better
- Milletfits better
- Chestnutfits better
- Walnutthe original
Fit is the average pairing score against egg, milk, sugar, flour. 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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