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Dessert

Neapolitan Ice Cream

A layered ice cream made with chocolate, vanilla, and optional strawberry or pineapple flavors.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 16 ingredients
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Why it works: Vanilla and pineapple match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 911 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

Neapolitan Ice Cream

Ingredients

Directions

Make the chocolate base

  1. Scald the milk in a saucepan.

  2. Gradually add the sugar, eggs, and chocolate, beating well.

  3. Heat the mixture over low heat until it thickens, stirring constantly.

  4. Remove from heat and add the dissolved gelatin.

  5. Let it cool, then freeze the mixture.

  6. When it begins to set, fold in the quart of rich cream, half of which should be whipped.

  7. Layer some of the chocolate ice cream in the bottom of each mold.

Make the white and pink layers

  1. For the white ice cream, mix 3 pints of cream, 2 pints of milk, 1 pint of powdered sugar, the egg whites, and vanilla.

  2. When frozen, add a layer of white ice cream to the chocolate and pack again.

  3. For the pink ice cream, add fruit coloring to the frozen white ice cream and stir thoroughly.

  4. Layer the pink ice cream on top of the brown and white in the molds and pack again.

  5. Let it freeze for about three hours before serving.

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. Vanilla + pineappletop 2% of all pairs
    Smell alikestrong
    Cooked together911 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  3. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

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

    Shared aroma: acetic acid (sour, vinegar).

  5. Sugar + gelatintop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

What each ingredient does

Eggs
Egg yolks thicken the custard base as it heats, giving the ice cream body.
Gelatin
Helps the frozen ice cream hold its shape and resist melting into ice crystals.
Egg whites
Whipped whites add air and a light, fluffy texture to the white layer.
Rich cream
Fat gives the ice cream a smooth, creamy mouthfeel and softens the iciness.
Sugar
Sweetens the base and lowers the freezing point, keeping the ice cream scoopable.
Chocolate
Provides the flavor and dark color of the chocolate layer.

The step that matters

Fold in the cream only when the base begins to set. If the base is still liquid, the folded cream deflates and the mixture separates; if it is fully frozen, the cream will not blend in evenly. Partial setting keeps the whipped cream airy and evenly mixed.

Swap the pineapple

The recipe marks pineapple as optional. How well each one fits the dish's main ingredients (milk, sugar, egg, chocolate, gelatin, cream, vanilla):

  1. Coconutfits better
  2. Strawberryfits better
  3. Raspberryfits about as well
  4. Pineapplethe original

Fit is the average pairing score against milk, sugar, egg, chocolate, gelatin, cream, vanilla. 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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