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Boston Baked Beans

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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. Soak the beans overnight in cold water.

  2. Drain the beans.

  3. Cover the beans with fresh cold water.

  4. Add the salt pork and baking soda.

  5. Simmer until the beans are soft enough to pierce with a straw.

  6. Pour the beans into a colander and rinse them with cold water.

Bake and serve

  1. Place the beans in an earthen bean pot.

  2. Slice the pork and bury it in the beans.

  3. Add molasses, salt, and mustard.

  4. Cover the beans with water.

  5. Bake at 300°F (150°C) for 6 to 8 hours.

  6. In the last hour, lift the pork to the surface to let it crisp.

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. Molasses + mustardtop 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

Small white beans
Provide the main body and starchy texture of the dish after long, slow cooking.
Salt pork
Adds fat and savory flavor that seeps into the beans, and crisps on top.
Molasses
Adds sweetness, dark color, and a deep caramel flavor during long baking.
Baking soda
Raises the cooking water's pH, helping beans soften during simmering.

The step that matters

Simmering until the beans are tender. Beans must be fully soft before baking, because the acidic molasses and sugars added later slow softening and can leave them firm.

“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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