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Philadelphia Ice Cream

A simple ice cream made with milk, arrowroot, cream, sugar, and flavoring.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Philadelphia Ice Cream

Ingredients

Directions

Make the base

  1. Boil the milk and arrowroot together, then stir until cool.

  2. Add the cream, sugar, and flavoring.

Freeze

  1. Freeze the mixture.

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

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

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

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

  3. Milk + arrowroottop 18% of all pairs
    Smell alikemoderate
    Cooked together817 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Arrowroot + sugartop 20% of all pairs
    Smell alikemoderate
    Cooked together1,073 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Milk and sugar barely smell alike, yet cooks put them together in 77,875 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

Milk
Forms the liquid base that the other ingredients are combined into.
Arrowroot
Starch that thickens the milk when heated, giving the base body.
Cream
Adds fat for a rich, smooth texture.
Sugar
Adds sweetness to balance the dairy.

The step that matters

Boil the milk and arrowroot together. Arrowroot is a starch that must be heated to thicken the milk. Stirring while it heats keeps the starch evenly dispersed and prevents lumps from forming.

Swap the arrowroot

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

  1. Potatofits better
  2. Sweet potatofits about as well
  3. Capsicumfits about as well
  4. Arrowrootthe original

Fit is the average pairing score against milk, cream, 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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