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Boston Baked Beans

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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

  1. Scrape the rind of the salt pork and slice it into ½-inch thick pieces.

  2. Place the sliced pork in the bottom of a bean pot.

  3. Make cuts in the remaining pork every ½ inch, about 1 inch deep.

Assemble

  1. Add the beans to the pot, burying the pork in the beans while leaving the rind exposed.

  2. Mix the salt, molasses, and sugar with 1 cup of boiling water, then pour it over the beans.

  3. Add enough additional boiling water to cover the beans.

Bake

  1. Cover the bean pot and bake in a slow oven at 300°F (150°C) for 8 hours, uncovering for the last hour to crisp the rind.

  2. Add more water as needed during cooking to keep the beans covered.

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. Pork + beanstop 11% of all pairs
    Smell alikemoderate
    Cooked together2,000 recipes

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

  3. Molasses + sugartop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

  5. Sugar + mustardtop 19% of all pairs
    Smell alikemoderate
    Cooked together8,424 recipes

    Shared aroma: guaiacol (smoky, sweet).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Dried beans
Form the bulk of the dish, becoming tender and absorbing the sweet, savory liquid during long baking.
Salt pork
Renders fat slowly into the beans for richness, and its scored rind crisps when uncovered.
Molasses
Adds dark sweetness and a deep flavour, and helps brown the surface of the beans.
Sugar
Adds sweetness that balances the salt and deepens the colour during slow baking.

The step that matters

Keeping the beans covered with water. Dried beans need prolonged moisture to soften evenly. If the liquid drops below the beans during the long bake, they can dry out, toughen, or scorch at the surface, so topping up with boiling water matters.

Swap the mustard

The recipe marks mustard as optional. How well each one fits the dish's main ingredients (pork, beans, molasses, sugar):

  1. Sweet potatofits about as well
  2. Mustardthe original
  3. Capsicumfits about as well
  4. Potatofits less well

Fit is the average pairing score against pork, beans, molasses, sugar. Candidates are from the same food group and used in at least 100 recipes.

“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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