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Boston Baked Beans

A slow‑cooked bean dish flavored with bacon, molasses, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 fresh water.

  2. Drain the beans.

  3. Place the beans in a kettle with enough water to cover them. Parboil the beans until the skins appear shriveled.

  4. Drain the water.

  5. Add salt.

Bake

  1. Place the bacon in the middle of the beans.

  2. Mix the molasses or brown sugar, baking soda, and dry mustard in a cup. Add the mixture to the beans.

  3. Cover the beans with warm water.

  4. Bake at 300°F (150°C) for five hours.

  5. Check periodically to ensure the water does not dry out until the beans are thoroughly cooked.

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. Molasses + mustardtop 23% of all pairs
    Smell alikelow
    Cooked together468 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. 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
Form the bulk of the dish, becoming tender and creamy during the long, slow bake.
Molasses or brown sugar
Adds sweetness and deep color, and contributes to the dark, caramelized flavor of the baked beans.
Baking soda
Raises the pH of the cooking water, helping the bean skins soften and the beans cook through.
Bacon
Contributes smoky, savory fat that flavors the beans as they bake.

The step that matters

Keeping the beans covered with water during the bake. Beans that dry out at the surface can toughen and scorch, so the water level must be checked and topped up with warm water throughout the long, slow bake. Adding cold water could also slow cooking.

Swap the beans

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

  1. Beansthe original
  2. Lentilsfits about as well
  3. Chestnutfits less well
  4. Chickpeafits less well

Fit is the average pairing score against molasses, mustard. 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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