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Drink

Apple Frappe

A chilled apple beverage made from cooked apples, apple juice, lemon juice, sugar, and optional cochineal.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Apple and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 7,551 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Apple Frappe

Ingredients

Directions

Make the apple base

  1. Cook dark red apples with the skins on until soft.

  2. Strain the juice into a bowl.

Sweeten and freeze

  1. Add a few drops of cochineal and 1 pound of sugar to the juice.

  2. Stir in the juice of 4 lemons.

  3. Freeze the mixture until solid.

Serve

  1. Serve in cut glass cups with apple or crabapple blossoms on the plate.

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. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

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

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

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Dark red apples
Provide the main apple flavor and the juice that forms the base.
Sugar
Adds sweetness and softens the icy texture of the frozen mixture.
Lemon juice
Adds acidity that brightens the apple flavor and balances the sugar.

The step that matters

Freeze the mixture until solid. Sugar and acid lower the freezing point, so the mixture must be frozen long enough to set fully. If it is underfrozen, the frappe stays slushy and the texture is uneven.

Swap the lemon

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

  1. Pearfits better
  2. Vanillafits better
  3. Apricotfits better
  4. Lemonthe original

Fit is the average pairing score against apple, sugar. 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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