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Dessert

Napolitaine Ice Cream

A layered ice cream brick made with vanilla, strawberry, and raspberry water ice, frozen in a salt and ice bath.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Vanilla and strawberry are a kitchen classic. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,385 recipes. Both carry p-vinylguaiacol, which smells spicy, fruity. The science ↓

Napolitaine Ice Cream

six pieces

Ingredients

Directions

Prepare the brick

  1. In a three-pint brick form, layer the raspberry water ice at the bottom. Add the vanilla ice cream on top, then fill with strawberry ice cream.

  2. Cover the form tightly.

Freeze

  1. In a pail, mix broken ice with rock salt and place the form inside. Fill the pail with more ice and salt, and let freeze for two hours.

Unmold and serve

  1. Plunge the form in warm water to remove ice and salt, then unmold onto paper.

  2. Dip a knife in warm water, cut the brick lengthwise, then into six equal pieces.

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 + strawberrytop 1% of all pairs
    Smell alikemoderate
    Cooked together1,385 recipes

    Shared aroma: p-vinylguaiacol (spicy, fruity).

  2. Strawberry + raspberrytop 2% of all pairs
    Smell alikemoderate
    Cooked together815 recipes

    Shared aroma: furaneol (caramel, sweet).

  3. Vanilla + raspberrytop 2% of all pairs
    Smell alikemoderate
    Cooked together950 recipes

    Shared aroma: ethyl benzoate (fruity, sweet).

  4. Cream + strawberrytop 14% of all pairs
    Smell alikelow
    Cooked together1,525 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  5. Vanilla + creamtop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

Vanilla and cream barely smell alike, yet cooks put them together in 12,301 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

Vanilla ice cream
Forms the middle layer, adding a creamy, mellow flavor between the two fruit layers.
Strawberry ice cream
Fills the top layer, providing fruity sweetness and a soft, creamy texture.
Raspberry water ice
Forms the bottom layer; being icy rather than creamy, it sets firmer and gives a tart fruit flavor.
Rock salt
Lowers the temperature of the melting ice in the pail, so the brick freezes solid.

The step that matters

Plunge the form in warm water to unmold. Brief dipping loosens the ice cream from the walls without melting its surface. Leaving it too long softens the layers and can blur the sharp stripes.

Swap the raspberry

How well each one fits the dish's main ingredients (vanilla, cream, strawberry):

  1. Blackberryfits about as well
  2. Raspberrythe original
  3. Bananafits about as well
  4. Blueberryfits less well

Fit is the average pairing score against vanilla, cream, strawberry. 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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