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Drink

Vegetable Coffee

A roasted vegetable blend ground into a coffee-like beverage.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Carrot and parsnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,097 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓

Vegetable 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.

Prepare

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

  2. Cut the carrots, parsnips, and sweet corn into very small pieces.

Roast and grind

  1. Roast the vegetables in the oven until golden brown.

  2. Grind the roasted vegetables when needed.

  3. Prepare the ground mixture as you would coffee.

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. Carrot + parsniptop 1% of all pairs
    Smell alikestrong
    Cooked together1,097 recipes

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

  2. Carrot + corntop 6% of all pairs
    Smell alikestrong
    Cooked together794 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  3. Parsnip + corntop 9% of all pairs
    Smell alikemoderate
    Cooked together53 recipes

    Shared aroma: myrcene (balsamic, herbaceous).

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

What each ingredient does

Carrots
Natural sugars brown during roasting, adding sweetness and a deeper, toasted flavour.
Parsnips
Their sugars and starches caramelise in the oven, adding sweetness and rich browned notes.
Sweet corn
Its sugars caramelise when roasted, contributing sweetness and a toasted aroma.

The step that matters

Roasting until golden brown. Roasting browns the sugars and starches in the vegetables, building the coffee-like flavour. Pulling them when golden brown rather than dark avoids a burnt bitterness that would carry into the ground mixture.

Swap the parsnip

How well each one fits the dish's main ingredients (carrot, corn):

  1. Capsicumfits about as well
  2. Parsnipthe original
  3. Potatofits less well
  4. Turnipfits less well

Fit is the average pairing score against carrot, corn. 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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