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Dessert

Frozen Custard

A chilled custard made by boiling milk, mixing with eggs, corn starch, sugar, flavorings, then freezing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Frozen Custard

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 ↓

Frozen Custard

Ingredients

Directions

Make the custard base

  1. Boil 3 pints of milk.

  2. Mix corn starch with 5 eggs and stir into the boiling milk.

  3. In the remaining cold milk, stir in 1½ pounds of sugar.

  4. Combine both the cold and boiling milk mixtures.

Flavour and freeze

  1. Add lemon and vanilla flavoring.

  2. 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.

Photo for illustrative purposes only · Contact us to use it

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. Corn + vanillatop 9% of all pairs
    Smell alikemoderate
    Cooked together1,943 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  4. Milk + corntop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

  5. Corn + lemontop 13% of all pairs
    Smell alikemoderate
    Cooked together1,927 recipes

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

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

Eggs
Egg proteins thicken the custard as they set with the hot milk, giving body and richness.
Corn starch
Starch swells in the hot milk and thickens the base, giving it a smooth, scoopable texture.
Sugar
Sweetens the custard and also lowers the freezing point, keeping the frozen texture softer.
Milk
Forms the liquid base, providing dairy fat, milk solids and moisture for the custard.

The step that matters

Stir the starch and eggs into the boiling milk. Corn starch needs to reach a boil to fully thicken, and eggs can scramble if added too quickly to very hot milk. Adding the mixture gradually while stirring keeps the base smooth.

Swap the lemon

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

  1. Figfits better
  2. Coconutfits better
  3. Blueberryfits better
  4. Lemonthe original

Fit is the average pairing score against milk, corn, egg, sugar, 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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