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Boston Baked Beans

A slow‑cooked bean dish with salt pork, mustard, and molasses.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Beans and mustard match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 852 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Boston Baked Beans

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the beans

  1. Cover the beans with cold water and bring to a boil, then simmer gently for 10 minutes.

  2. Drain the beans and rinse thoroughly with cold water.

  3. Place the beans in a small crock.

Bake

  1. Add the salt pork on top of the beans, then sprinkle with mustard and dark molasses.

  2. Cover the beans with water and bake slowly at 300°F (150°C) for 5 to 6 hours, adding more water if needed.

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. Beans + mustardtop 4% of all pairs
    Smell alikestrong
    Cooked together852 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Beans + porktop 11% of all pairs
    Smell alikemoderate
    Cooked together2,000 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Pork + mustardtop 11% of all pairs
    Smell alikemoderate
    Cooked together2,445 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Mustard + molassestop 23% of all pairs
    Smell alikelow
    Cooked together468 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Beans + molassestop 26% of all pairs
    Smell alikelow
    Cooked together491 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

White beans
Provide the main body and starchy texture of the finished dish.
Dark molasses
Adds sweetness, color and a deep caramel flavor as it bakes slowly.
Salt pork
Adds fat and savory flavor that seasons the beans as they cook.
Mustard
Adds a sharp, tangy note that balances the sweetness of the molasses.

The step that matters

Slow baking with added water. Long, gentle baking lets the beans soften and absorb the molasses and pork flavor without drying out. Beans left uncovered by liquid can scorch or turn tough, so water must be topped up as needed.

“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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