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Boston Baked Beans

A baked bean dish with pork, onion, mustard, salt, pepper, and molasses.

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 the beans

  1. Wash the beans and place them in a kettle covered with cold water.

  2. Bring to a boil, then drain the beans.

Assemble and bake

  1. Put the beans in a bean pot, add the chopped onion, mustard, salt, black pepper, and molasses.

  2. Place the pork on top of the beans, fill the pot with boiling water, and cover tightly.

  3. Bake in a 300°F (150°C) oven for several hours, adding hot water as needed to prevent drying out.

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. Onion + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

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

  3. Beans + oniontop 7% of all pairs
    Smell alikestrong
    Cooked together5,242 recipes

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

  4. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  5. Pork + oniontop 10% of all pairs
    Smell alikemoderate
    Cooked together18,214 recipes

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

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

What each ingredient does

Small white beans
Form the bulk of the dish and become tender during the long, slow bake.
Pork
Adds savory fat and meaty flavor that seasons the beans as it cooks.
Molasses
Provides sweetness and deep color as the beans slowly brown.
Dry english mustard
Adds a sharp, pungent note that balances the sweetness of the molasses.

The step that matters

Keeping the beans covered with liquid during the bake. Beans that dry out during a long bake can stay firm and scorch on the surface. Adding hot water as needed keeps them moist and lets them cook evenly and soften.

Swap the onion

How well each one fits the dish's main ingredients (beans, pork, mustard, pepper, molasses):

  1. Lettucefits better
  2. Capsicumfits better
  3. Broccolifits better
  4. Onionthe original

Fit is the average pairing score against beans, pork, mustard, pepper, molasses. 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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