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Caper Butter

A butter spread flavored with capers, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Capers and pepper are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 2,088 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Caper Butter

Ingredients

Directions

  1. In a small bowl, mix the chopped capers, butter, salt, and pepper until well combined.

  2. Serve the caper butter with boiled fish.

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. Capers + peppertop 12% of all pairs
    Smell alikemoderate
    Cooked together2,088 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Capers + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together1,637 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 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

Capers
Their briny, acidic bite cuts through the richness of the butter.
Butter
Provides fat and a smooth, spreadable body that carries the capers.

Swap the capers

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

  1. Parsleyfits better
  2. Sagefits better
  3. Thymefits better
  4. Capersthe original

Fit is the average pairing score against butter, pepper. 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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