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Dessert

Apple Foam

A dessert of steamed apples folded with beaten egg whites, sugar, lemon juice, topped with custard and optionally browned.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Apple Foam

Why it works: Apple and milk are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 4,104 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓

Apple Foam

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the apple foam

  1. Pare and core the apples, then steam until soft.

  2. Let the apples cool, then add the beaten egg whites, sugar, and lemon juice.

  3. Beat the mixture briskly for 30 minutes.

Make the custard and finish

  1. In a separate bowl, make a custard by combining the egg yolks, sugar, and hot milk.

  2. Place the apple foam in a dish and cover it with the custard.

  3. If desired, run it in the oven at 350°F (175°C) to achieve a pale brown color.

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. Apple + milktop 11% of all pairs
    Smell alikemoderate
    Cooked together4,104 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  3. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  4. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

  5. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Tart apples
Provide the main body and flavor, and cook down to a soft pulp that the foam is built on.
Egg whites
Trap air when beaten, creating the light, foamy structure that holds the dish together.
Sugar
Sweetens the dish and helps stabilize the beaten egg white foam.
Hot milk
Gently cooks the custard and adds a soft, creamy moisture over the foam.

The step that matters

Beating the apple and egg white mixture for 30 minutes. Beating incorporates air into the egg whites, and sustained, brisk beating builds the foam's volume and texture. Stopping too early leaves a dense, under-aerated result.

Swap the apple

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

  1. Vanillafits better
  2. Orangefits better
  3. Figfits better
  4. Applethe original

Fit is the average pairing score against egg, sugar, lemon, milk. 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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