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To Extract Vanilla with Tonka

A vanilla extract infused with tonka beans, made by soaking crushed vanilla and tonka beans in alcohol and water.

From an old cookbook · modernised transcription
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Why it works: Vanilla and beans match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 1,293 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

To Extract Vanilla with Tonka

Ingredients

Directions

Prepare and soak

  1. Pound the vanilla and tonka beans together.

  2. Soak the mixture in alcohol and water for three weeks.

Strain and bottle

  1. Strain through a fine cloth.

  2. Bottle the extract for use.

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. Vanilla + beanstop 8% of all pairs
    Smell alikestrong
    Cooked together1,293 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Vanilla
Provides the main vanilla flavor and aroma that forms the base of the extract.
Tonka beans
Adds a warm, sweet, almond-like aroma that rounds out the vanilla.
Alcohol
Dissolves and carries flavor compounds out of the beans into the liquid.

The step that matters

Soaking for three weeks. Alcohol draws flavor compounds out of the beans slowly. Letting the mixture soak for the full three weeks gives a strong, rounded extract, while stopping early leaves the flavor weak.

“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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