Name: Quick Brown Bread
Ingredients: 2 cups graham flour; 1 cup sour milk; ½ cup molasses; 2 tablespoons sugar; ¼ teaspoon salt; 1 teaspoon baking soda; 2 tablespoons warm water; ¾ cup chopped raisins, floured

Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Quick 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.

Prepare the batter

Preheat the oven to 350°F (175°C).
In a bowl, mix graham flour, sour milk, molasses, sugar, salt, baking soda, and warm water until combined.
Fold in the floured chopped raisins.

Bake

Pour the batter into a greased loaf pan.
Bake for 40 minutes or until a toothpick comes out clean.

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 + raisintop 1% of all pairs

Smell alikestrong

Cooked together9,075 recipes

Shared aroma: isobutyraldehyde (malty, green).
Molasses + sugartop 11% of all pairs

Smell alikemoderate

Cooked together9,225 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Molasses + raisintop 12% of all pairs

Smell alikelow

Cooked together3,577 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Sugar + raisintop 13% of all pairs

Smell alikemoderate

Cooked together12,481 recipes

Shared aroma: beta-damascenone (apple, rose).
Flour + milktop 14% of all pairs

Smell alikelow

Cooked together78,219 recipes

Shared aroma: isobutyraldehyde (malty, green).

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

Graham flour: Provides the main structure and the nutty, coarse texture of the bread.
Sour milk: Its acidity reacts with the baking soda to produce gas that lifts the batter.
Baking soda: Reacts with the acidic sour milk and molasses to create carbon dioxide for rising.
Molasses: Adds sweetness, moisture, and a deep color and flavor to the crumb.
Raisins: Add pockets of sweetness and moisture throughout the loaf.

The step that matters

Mix the batter only until combined. Baking soda starts reacting as soon as it meets the acidic sour milk, so the batter should go into the pan and the oven promptly. Overmixing can also toughen the crumb by developing gluten in the flour.

“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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Quick Brown Bread