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Bread

Walnut Bread

A simple walnut loaf made with flour, baking powder, salt, sugar, milk, walnuts, and egg.

From an old cookbook · modernised transcription
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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 ↓

Walnut Bread

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. In a large bowl, combine flour, baking powder, salt, and sugar.

  2. In another bowl, mix milk, walnuts, and egg.

  3. Combine wet and dry ingredients until just mixed.

  4. Let the mixture sit in a warm place for 15 minutes.

Bake

  1. Preheat the oven to 300°F (150°C).

  2. Pour the batter into a greased loaf pan and bake for 40 minutes.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Flour + walnuttop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + walnuttop 16% of all pairs
    Smell alikemoderate
    Cooked together3,236 recipes

    Shared aroma: 1-hexanal (fruit).

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
Provides the main structure of the loaf as its proteins and starches set during baking.
Baking powder
Releases gas in the batter, helping the loaf rise and become light.
Egg
Binds the batter and adds structure and richness as it sets.
Milk
Adds moisture and hydrates the flour so the batter forms a cohesive dough.
Walnuts
Add fat, flavour and texture to the loaf as chopped pieces through the crumb.

The step that matters

Combine wet and dry ingredients until just mixed. Overmixing develops gluten in the flour, which can make the loaf tough and dense. Stop once no dry flour streaks remain, leaving some lumps.

Swap the walnut

How well each one fits the dish's main ingredients (flour, sugar, milk, egg):

  1. Almondfits better
  2. Milletfits better
  3. Chestnutfits better
  4. Walnutthe original

Fit is the average pairing score against flour, sugar, 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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