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To Roast Coffee

A method for roasting coffee beans with butter in an oven.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 2 ingredients
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To Roast Coffee

Why it works: Beans and walnut match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 162 recipes. Both carry 2,3,5-trimethylpyrazine, which smells cocoa, roasted. The science ↓

To Roast Coffee

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Roast

  1. Preheat the oven to 400°F (200°C).

  2. Place the coffee beans in a large pan.

  3. Roast in the oven, stirring often, until evenly dark brown.

  4. Add the walnut-sized piece of butter and stir until melted.

Finish and store

  1. Do not grind the coffee too fine.

  2. Store the ground coffee in a tightly covered container.

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.

Photo for illustrative purposes only · Contact us to use it

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 + walnuttop 8% of all pairs
    Smell alikestrong
    Cooked together162 recipes

    Shared aroma: 2,3,5-trimethylpyrazine (cocoa, roasted).

  2. Coffee + walnuttop 11% of all pairs
    Smell alikemoderate
    Cooked together289 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

  3. Coffee + beanstop 13% of all pairs
    Smell alikemoderate
    Cooked together289 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

  4. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Beans + buttertop 19% of all pairs
    Smell alikemoderate
    Cooked together2,799 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

What each ingredient does

Coffee beans
Roasting browns the beans, developing their deep aroma and bitter-sweet flavour.
Butter
Melted fat coats the beans, adding richness and a smoother mouthfeel to the finished coffee.

The step that matters

Roast until evenly dark brown, stirring often. Uneven heat scorches some beans while leaving others underdeveloped. Stirring spreads the heat so browning reactions between sugars and amino acids proceed evenly, giving a consistent flavour.

Swap the beans

How well each one fits the dish's main ingredients (coffee, butter, walnut):

  1. Hazelnutfits better
  2. Almondfits better
  3. Pecansfits better
  4. Beansthe original

Fit is the average pairing score against coffee, butter, walnut. 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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