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Drink

To Boast Coffee

A method of roasting coffee beans with butter, resulting in a chestnut-colored coffee.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 2 ingredients
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Why it works: Coffee and beans work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 289 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓

To Boast Coffee

Ingredients

Directions

Prepare

  1. Pick out any black or imperfect coffee beans.

Roast

  1. Place the beans in a pan and stir continuously while roasting.

  2. Roast until the beans are the color of a ripe chestnut, about ten minutes.

  3. Ten minutes before finishing, add the butter to the coffee beans.

  4. Once roasted, transfer the coffee to a box and cover it tightly.

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

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

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

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

  3. Coffee + buttertop 23% of all pairs
    Smell alikemoderate
    Cooked together2,442 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

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

What each ingredient does

Coffee beans
Provide the base flavor, which develops and darkens as the heat drives chemical reactions in the beans.
Butter
Adds fat that carries aroma and gives the roasted beans a richer, rounder flavor.

The step that matters

Stir continuously while roasting. Beans in direct contact with a hot pan scorch quickly where they touch. Constant stirring keeps the roast even, so the beans reach the same color without burnt, bitter spots.

Swap the beans

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

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

Fit is the average pairing score against coffee, butter. 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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