Name: Boston Brown Bread
Ingredients: 14 cups yellow Indian meal; 2 cups graham flour; 1 cup molasses; 2 teaspoons baking powder; 4 teaspoons salt; water; butter (for greasing)

Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Boston Brown Bread

Ingredients

Directions

Make the batter

In a large bowl, mix the yellow Indian meal, graham flour, molasses, baking powder, and salt.
Gradually add water to form a thick batter.

Steam the bread

Grease a mold or tin pail with butter.
Pour the batter into the prepared mold.
Steam for four 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.

Flour + buttertop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Flour + molassestop 16% of all pairs

Smell alikemoderate

Cooked together10,429 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Molasses + buttertop 30% of all pairs

Smell alikelow

Cooked together8,123 recipes

Shared aroma: ethanol (alcoholic, ethereal).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Yellow indian meal: Forms the coarse, sturdy body of the bread.
Graham flour: Adds a nutty flavor and a more tender crumb to the cornmeal.
Molasses: Adds sweetness, dark color, and moisture to the batter.
Baking powder: Releases gas that lifts the batter so it rises as it steams.

The step that matters

Steam for the full four hours. Gentle, steady steam cooks the dense batter through evenly and keeps it moist. If the steam drops or the mold is opened early, the center can stay wet and the rise can collapse.

“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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Boston Brown Bread