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Bread

Boston Brown Bread

A steamed bread made with graham flour, cornmeal, molasses, sour milk, baking soda, and salt.

From an old cookbook · modernised transcription
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Why it works: Corn and milk are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 6,955 recipes. Both carry hexanal, which smells green, grassy. The science ↓

Boston Brown Bread

Ingredients

Directions

Prepare

  1. Mix all ingredients together in a bowl.

  2. Pour the mixture into a buttered mold or tin pail.

Steam

  1. Steam for 4 hours.

  2. Cover the steamer with a towel to absorb moisture, ensuring the top of the bread is dry.

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. Corn + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

  2. Flour + corntop 13% of all pairs
    Smell alikemoderate
    Cooked together6,165 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Molasses + milktop 21% of all pairs
    Smell alikelow
    Cooked together7,243 recipes

    Shared aroma: furaneol (caramel, strawberry).

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

Graham flour
Provides the main structure and the wholegrain flavour of the bread.
Corn meal
Adds a coarse, crumbly texture and helps the loaf hold its shape.
Molasses
Adds sweetness, dark colour and moisture to the batter.
Sour milk
Supplies moisture and acidity that reacts with the baking soda.
Baking soda
Reacts with the acid in the sour milk to produce gas that lifts the bread.

The step that matters

Keeping the top dry while steaming. Steam condenses on the lid and can drip onto the loaf, making the top wet and gummy. A towel under the lid absorbs this condensation so the surface sets properly.

“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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