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Boston Baked Beans

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

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

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 beans

  1. Soak the beans in cold water overnight.

  2. Drain the beans.

  3. Simmer the beans in fresh cold water until soft enough to pierce with a pin, being careful not to boil them too hard.

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

  5. Drain the beans in a colander.

  6. Rinse the beans with cold water.

Prepare the pork

  1. Transfer the beans to a bean pot.

  2. Pour boiling water over the salt pork.

  3. Scrape the rind of the salt pork until white.

  4. Cut the salt pork into half‑inch strips.

Bake and serve

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

  2. Mix 1 teaspoon of salt, 1 teaspoon of mustard, and 1 cup of hot water with the molasses. Pour the molasses mixture over the beans.

  3. Add enough more water to cover the beans.

  4. Cover and bake for 8 hours in a moderate oven at 350°F (175°C).

  5. 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
Soaking and slow simmering soften them, and long baking turns them tender and creamy.
Molasses
Adds sweetness and deep color, and its sugars help the beans brown during baking.
Salt pork
Renders fat into the beans for richness and its rind crisps on the surface.

The step that matters

Simmer the beans gently. Boiling beans hard can split their skins and break them apart, so they cook unevenly. A gentle simmer keeps them whole and tender.

“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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