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Bread

Boston Brown Bread

A yeast‑leavened rye and cornmeal bread with molasses or brown sugar, baked at 350°F for 3‑4 hours.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 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

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. In a bowl, mix rye flour, cornmeal, Graham flour, molasses or brown sugar, salt, and homemade yeast.

  2. Add warm water to form a stiff dough that can be stirred with a spoon.

  3. Let the dough rise for several hours or overnight.

Rise and bake

  1. In the morning, add baking soda dissolved in warm water and mix well.

  2. Transfer the mixture to well-greased deep bread pans and let it rise again.

  3. Bake in a moderate oven at 350°F (175°C) for 3 to 4 hours.

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

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: ethanol (alcoholic, ethereal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Rye flour
Provides the dark, dense structure and earthy flavour typical of this bread.
Cornmeal
Adds coarse texture and body, giving the loaf its characteristic crumb.
Graham flour
Adds bran and whole-grain texture, making the crumb coarser and nuttier.
Molasses or brown sugar
Sweetens the bread and feeds the yeast, while adding color and moisture.
Homemade yeast
Ferments the dough, producing gas that makes the loaf rise and gives it flavour.
Baking soda
Reacts with the acidic molasses and dough to add extra lift and help the loaf rise.

The step that matters

Adding the baking soda before the second rise. Baking soda must be dissolved and mixed in evenly; uneven distribution leaves pockets of bitterness and dense or collapsed spots in the loaf.

“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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