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Dessert

Angels' Food

A light, airy cake made from beaten egg whites, powdered sugar, lemon juice, and flour.

From an old cookbook · modernised transcription
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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 ↓

Angels' Food

Ingredients

Directions

Whip the egg whites

  1. Beat the egg whites until half beaten.

  2. Add the cream of tartar and continue beating until stiff.

  3. Gradually add the powdered sugar and beat again.

Mix and bake

  1. Mix in the lemon juice and flour until combined.

  2. Pour the batter into a loaf pan and bake.

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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

Egg and flour barely smell alike, yet cooks put them together in 106,462 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

Egg whites
Whipped into a foam that gives the cake its light, airy rise.
Cream of tartar
Stabilizes the whipped egg whites so they hold their volume.
Powdered sugar
Sweetens the cake and dissolves into the foam for a fine, tender crumb.
Lemon juice
Adds acidity that brightens flavor and helps keep the foam stable.
Flour
Provides the structure that lets the cake set and hold its shape.

The step that matters

Beating the egg whites until stiff. Whites underbeaten won't trap enough air to rise, while overbeaten whites turn dry and grainy and collapse in the oven. Stiff peaks that hold their shape are the goal.

Swap the lemon

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits about as well
  4. Lemonthe original

Fit is the average pairing score against egg, cream, sugar, flour. 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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