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Dessert

Philadelphia Ice Cream

A vanilla ice cream made with gelatin, milk, cream, sugar, and vanilla extract.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Philadelphia Ice Cream

Ingredients

Directions

Make the base

  1. Soften the gelatine in the cold milk for 5 minutes.

  2. Dissolve the gelatine in the scalded quart of milk.

  3. Add the sugar and let it cool.

  4. Strain the mixture into the cream.

Freeze

  1. Add the vanilla and freeze.

  2. Optionally, whip part of the cream and add it when the mixture is partly frozen.

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

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

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  3. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

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

  5. Milk + creamtop 18% of all pairs
    Smell alikemoderate
    Cooked together29,399 recipes

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Gelatine
Sets the mixture as it chills, giving the ice cream a firmer, smoother body.
Cream
Adds richness and fat, giving a creamy mouthfeel that softens the texture.
Milk
Provides the liquid base and dissolves the gelatine, adding moisture to the mixture.
Sugar
Sweetens the base and lowers the freezing point, keeping the ice cream softer and scoopable.

The step that matters

Soften the gelatine in the cold milk before dissolving it. Gelatine must hydrate in cold liquid so its strands separate; adding it dry or to hot liquid can leave lumps or uneven setting.

“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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