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Bran Bread

A quick bran bread with raisins baked at 350°F.

From an old cookbook · modernised transcription
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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 ↓

Bran Bread

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 350°F (175°C).

  2. In a large bowl, mix the bran flour, baking soda, all-purpose flour, and salt.

  3. In another bowl, combine the milk, molasses, and chopped raisins.

Mix and bake

  1. Pour the wet ingredients into the dry ingredients and stir until just combined.

  2. Pour the batter into a loaf pan or gem pans.

  3. Bake for 30-40 minutes or until a toothpick inserted in the center comes out clean.

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 + raisintop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Molasses + raisintop 12% of all pairs
    Smell alikelow
    Cooked together3,577 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Milk + raisintop 15% of all pairs
    Smell alikemoderate
    Cooked together7,155 recipes

    Shared aroma: decanoic acid (acides aroma).

  5. Flour + molassestop 16% of all pairs
    Smell alikemoderate
    Cooked together10,429 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

Bran flour
Adds fibre and a dense, hearty structure to the crumb.
Baking soda
Reacts with the molasses acidity to lift the batter and help it rise.
All-purpose flour
Provides gluten structure so the loaf holds its shape.
Molasses
Adds sweetness, dark colour and moisture, and its acidity activates the baking soda.
Milk
Hydrates the flours and helps the batter set into a moist crumb.

The step that matters

Stir the wet and dry ingredients until just combined. Overmixing develops gluten in the all-purpose flour, which makes the bread tough and dense. Stopping once no dry streaks remain keeps the crumb tender and lets the baking soda lift the batter evenly.

“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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