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Boston Brown Bread

Boston Brown Bread is a potato-based bread baked in a water bath.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Flour and rye 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 fairly hot oven

Ingredients

Directions

The book says “a fairly hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Sift together the all-purpose flour, cornmeal, rye flour, brown sugar, salt, and baking powder.

  2. Peel, wash, and boil the potatoes until soft; then mash them and thin with water.

  3. Once the potato mixture is cool, combine it with the sifted dry ingredients to form a batter.

Steam and bake

  1. Pour the batter into a greased mold with a cover.

  2. Place the mold in a saucepan half full of boiling water and simmer for 1 hour, ensuring no water enters the mold.

  3. Remove the mold, uncover it, and bake in a preheated oven at 400°F (200°C) for 30 minutes.

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 + ryetop 8% of all pairs
    Smell alikestrong
    Cooked together1,320 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Rye + potatotop 10% of all pairs
    Smell alikemoderate
    Cooked together75 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Flour + potatotop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Rye + sugartop 25% of all pairs
    Smell alikemoderate
    Cooked together535 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

What each ingredient does

Cornmeal
Provides the bulk and the characteristic gritty, crumbly texture of the bread.
All-purpose flour
Supplies gluten-forming proteins that give the batter structure and hold the loaf together.
Rye flour
Adds flavor and a dense, moist crumb, since it forms less gluten than wheat flour.
Potatoes
Add moisture and starch that keep the loaf soft and moist as it steams.
Baking powder
Releases gas in the batter, helping the bread rise and lighten.

The step that matters

Steaming the mold without letting water in. Water entering the mold would make the batter soggy and uneven. A tightly covered mold in gently simmering water cooks the bread with steam, so the loaf sets evenly before its final bake.

Swap the potato

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

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

Fit is the average pairing score against flour, rye, sugar. 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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