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Dessert

Coffee Jelly

A chilled gelatin dessert made with brewed coffee and sugar, served with whipped cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Gelatin and cream match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,628 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Coffee Jelly

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the gelatin

  1. Soak the gelatin in the cold water for 5 minutes.

  2. Dissolve the soaked gelatin in the hot coffee.

  3. Add sugar and stir until it dissolves completely.

  4. Strain the mixture and pour it into a mold.

Set and serve

  1. Refrigerate until set, then serve with whipped cream.

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. Gelatin + creamtop 7% of all pairs
    Smell alikestrong
    Cooked together1,628 recipes

    Shared aroma: acetic acid (sour, vinegar).

  2. Gelatin + sugartop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Coffee + creamtop 17% of all pairs
    Smell alikelow
    Cooked together2,339 recipes

    Shared aroma: 2-heptanol (bitter, floral).

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

Gelatin
Forms the gel network that sets the coffee into a firm, wobbly texture.
Sugar
Adds sweetness and balances the bitterness of the coffee.
Black coffee
Provides the liquid base and the main coffee flavour.

The step that matters

Soak the gelatin before dissolving. Gelatin granules must hydrate in cold water first so they dissolve evenly in the hot coffee. Adding dry gelatin directly to hot liquid can clump and leave a grainy, weakly set gel.

“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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