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Drink

Acorii Coffee

Acorn coffee is a beverage made by roasting, grinding acorns, and mixing with regular coffee, sweetened with sugar and optionally milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Coffee and milk are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,202 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓

Acorii Coffee

Ingredients

Directions

Prepare the acorns

  1. Peel off the shell from sound and ripe acorns.

  2. Divide the kernels and dry them gradually.

Roast and grind

  1. Roast the dried acorns in a closed vessel, stirring continuously to avoid burning.

  2. Grind the roasted acorns like regular coffee.

Brew and serve

  1. Mix ½ ounce of ground acorns with 1 teaspoon of other coffee.

  2. Sweeten with sugar and add milk if desired.

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 + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together2,202 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Acorn + sugartop 36% of all pairs
    Smell alikemoderate
    Cooked together7 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  5. Acorn + coffeetop 39% of all pairs
    Smell alikemoderate
    Cooked together1 recipe

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

Sugar and milk barely smell alike, yet cooks put them together in 77,875 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Roasted acorns
Provide the main body and a roasted, coffee-like flavour as their starches and sugars brown.
Other coffee
Adds familiar roasted coffee aroma and bitterness to the blend.
Sugar
Adds sweetness to balance the bitter, roasted flavour.

The step that matters

Roasting the dried acorns with constant stirring. Starches and sugars in the kernels brown quickly and can scorch. Stirring spreads the heat evenly, so the kernels roast to a pleasant roasted flavour rather than a burnt, bitter one.

Swap the acorn

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

  1. Cocoafits better
  2. Hazelnutfits better
  3. Peanutfits better
  4. Acornthe original

Fit is the average pairing score against coffee, sugar, milk. 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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