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Bread

Boston Brown Bread

A steamed rye and cornmeal bread sweetened with molasses and milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Rye and flour match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 1,320 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Boston Brown Bread

Ingredients

Directions

Mix the batter

  1. In a large bowl, combine the rye meal, cornmeal, flour, salt, and baking soda.

  2. Stir in the molasses and sweet milk until well mixed.

  3. Pour the mixture into a greased mold or pan.

Steam and cool

  1. Steam the bread for 3 hours.

  2. Allow to cool before serving.

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. Rye + flourtop 8% of all pairs
    Smell alikestrong
    Cooked together1,320 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Rye + milktop 12% of all pairs
    Smell alikemoderate
    Cooked together918 recipes

    Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

  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. Rye + molassestop 16% of all pairs
    Smell alikelow
    Cooked together804 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

Rye meal
Gives the bread its dense, hearty structure and characteristic flavor.
Cornmeal
Adds coarse body and a grainy texture to the crumb.
Baking soda
Reacts with the acidic molasses to lift the batter and lighten the crumb.
Molasses
Adds sweetness, dark color, moisture, and a deep flavor.
Sweet milk
Hydrates the dry grains so the batter forms a moist, pourable mixture.

The step that matters

Steam the bread for 3 hours. Steaming keeps the batter moist while it sets, so the bread cooks through without drying or browning. The mold must be sealed and the steam kept steady, since a low or uneven heat leaves the center gummy or undercooked.

“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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