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Dessert

Blackberry Syrup

A sweet syrup made by boiling blackberry juice, brown sugar, and water, optionally flavored with brandy.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Blackberry and brandy work together. They rank in the top 9% of all ingredient pairs, and cooks put them together in 146 recipes. Both carry ethyl cinnamate, which smells sweet, balsamic. The science ↓

Blackberry Syrup

Oven, in the book's wordsA cool oven

Ingredients

Directions

Prepare the juice

  1. Press out the juice from very ripe blackberries.

Make the syrup

  1. In a saucepan, combine the blackberry juice, brown sugar, and water.

  2. Boil the mixture until it reaches a rich syrup consistency, about 15 to 20 minutes, stirring well.

  3. Add the brandy to the syrup if using.

Cool and bottle

  1. Allow the syrup to cool completely before bottling 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. Blackberry + brandytop 9% of all pairs
    Smell alikemoderate
    Cooked together146 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  2. Sugar + brandytop 19% of all pairs
    Smell alikelow
    Cooked together11,939 recipes

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

  3. Blackberry + sugartop 21% of all pairs
    Smell alikelow
    Cooked together1,033 recipes

    Shared aroma: guaiacol (smoky, sweet).

Sugar and brandy barely smell alike, yet cooks put them together in 11,939 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

Blackberry juice
Provides the main fruit flavor and color, and most of the liquid in the syrup.
Brown sugar
Sweetens the syrup and, as it dissolves and thickens on boiling, gives it body and a deeper flavor.
Water
Dilutes the juice and sugar so they dissolve evenly before the mixture reduces.

The step that matters

Boiling to syrup consistency. Boiling evaporates water and concentrates the sugar, which thickens the syrup as it cools. Stopping too early leaves it thin and runny, while boiling too long can make it overly thick or crystallize as it cools.

Swap the blackberry

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

  1. Vanillafits better
  2. Apricotfits better
  3. Raisinfits better
  4. Blackberrythe original

Fit is the average pairing score against sugar, brandy. 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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