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Best Rock Cocoa

A chocolate mixture made from sago flour, cocoa, and icing sugar, processed and dried to produce rock cocoa.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Best Rock Cocoa

Ingredients

Directions

Mix

  1. Combine the sago and cocoa in a mixer and let it run for about 2 hours.

  2. Gradually add the icing sugar while the mixer is running.

Dry and mill

  1. After 2 hours, remove the mixture and place it in a cool area to dry.

  2. Once dry, process it through a rock mill.

Store

  1. Pack the cocoa in a dry, cool room.

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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Cocoa + flourtop 22% of all pairs
    Smell alikelow
    Cooked together386 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Cocoa + sugartop 27% of all pairs
    Smell alikelow
    Cooked together956 recipes

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

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

What each ingredient does

Trinidad cocoa
Provides the main chocolate flavour and dark colour of the final product.
Icing sugar
Adds sweetness and dissolves fine, giving the mixture a smooth, fine texture.
Sago flour
Absorbs moisture and helps the mixture dry into a workable, grindable texture.

Swap the cocoa

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

  1. Almondfits better
  2. Chestnutfits better
  3. Milletfits better
  4. Cocoathe original

Fit is the average pairing score against sugar, flour. 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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