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Boston Baked Beans

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

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 350°F in the steps was added when the recipe was transcribed, as a starting point.

Prepare the beans

  1. Soak the beans in cold water overnight.

  2. Drain the beans and simmer them in fresh cold water until soft enough to pierce with a pin, being careful not to let them boil too hard.

  3. If desired, boil one onion with the beans.

  4. Drain the beans in a colander and rinse with cold water.

Prepare the pork

  1. Transfer the beans to a bean pot.

  2. Pour boiling water over the salt pork. Scrape the rind of the pork until white.

  3. Cut the pork into half‑inch strips.

Bake and serve

  1. Bury the pork in the beans, leaving only the rind exposed.

  2. Mix the mustard with the molasses. Fill a cup with hot water and pour it over the beans.

  3. Add enough water to cover the beans.

  4. Bake the beans for eight hours in a moderate oven (350°F or 175°C). 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

Beans
Form the bulk of the dish, turning soft and creamy during long, slow baking.
Salt pork
Adds fat and savoury flavour to the beans, and its rind crisps on top.
Molasses
Adds sweetness and dark colour, and helps the beans thicken into a rich sauce.
Mustard
Adds a sharp, pungent note that balances the sweetness of the molasses.

The step that matters

Keep the simmer gentle when cooking the beans. Hard boiling breaks the bean skins and makes them mushy, while gentle simmering leaves them intact and tender through the long bake.

“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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