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Grape Juice Frappe

A chilled grape juice beverage made by freezing a mixture of water, sugar, grape juice, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Grape and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,412 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Grape Juice Frappe

Ingredients

Directions

Make the syrup

  1. Boil water and sugar for 10 minutes.

  2. Strain the mixture into a can or freezer.

Flavor and freeze

  1. Once cold, add grape juice and lemon juice.

  2. Pack the freezer.

  3. When half frozen, remove the dasher and set aside until ready to serve.

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. Grape + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together2,412 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Sugar + grapetop 23% of all pairs
    Smell alikelow
    Cooked together7,490 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Grape juice
Provides the main fruit flavor and color of the frappe.
Sugar
Adds sweetness and keeps the frozen mixture softer and less icy.
Lemon juice
Adds acidity that brightens the grape flavor.

The step that matters

Add the juices only once the syrup is cold. A warm base freezes more slowly, which allows larger ice crystals to form and gives a coarser texture. Cooling the syrup first keeps the frozen result smoother.

Swap the grape

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

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Grapethe original

Fit is the average pairing score against sugar, lemon. 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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