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Bread

Boston Brown Bread

A yeast bread made with potato yeast, molasses, water, baking soda, cornmeal, and brown flour, baked slowly.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Potato and corn match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 938 recipes. Both carry (e)-2-octenal, which smells fatty, green. The science ↓

Boston Brown Bread

Oven, in the book's wordsA very slow oven

Ingredients

Directions

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

Mix the batter

  1. Mix the potato yeast, molasses, water, saleratus, corn meal, and brown flour together well.

  2. Pour the mixture into cup pans with lids.

Bake

  1. Bake in a very slow oven at 300°F (150°C) for six 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. Potato + corntop 5% of all pairs
    Smell alikestrong
    Cooked together938 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  2. Corn + flourtop 13% of all pairs
    Smell alikemoderate
    Cooked together6,165 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Molasses + flourtop 16% of all pairs
    Smell alikemoderate
    Cooked together10,429 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Molasses + corntop 26% of all pairs
    Smell alikelow
    Cooked together644 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

Potato yeast
Ferments the batter, producing gas that helps it rise and open up.
New orleans molasses
Adds sweetness, moisture, and the dark color and rich flavor typical of the bread.
Saleratus (baking soda)
Reacts with the acidic molasses to release carbon dioxide, lightening the batter.
Corn meal
Provides the bulk and coarse, crumbly texture of the loaf.
Brown flour
Gives structure so the batter holds together as it bakes.

The step that matters

Keep the oven very slow and the pans covered for the full six hours. Gentle, long heat cooks this dense, wet batter through without scorching or drying it. The lids trap steam, which keeps the crumb moist and helps the loaf set evenly.

Swap the potato

How well each one fits the dish's main ingredients (molasses, corn, flour):

  1. Arrowrootfits better
  2. Sweet potatofits better
  3. Capsicumfits better
  4. Potatothe original

Fit is the average pairing score against molasses, corn, flour. 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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