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Rice Flour Sponge Cake

A sponge cake made with rice flour, eggs, and a little salt.

From an old cookbook · modernised transcription
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Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Rice Flour Sponge Cake

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

  1. Preheat the oven to 350°F (175°C).

  2. In a mixing bowl, combine the rice flour and a little salt.

Make the batter

  1. In a separate bowl, beat 9 egg whites until frothy.

  2. Gradually add the rice flour mixture to the beaten egg whites.

  3. Mix until well combined.

Bake

  1. Pour into a prepared baking pan.

  2. Bake until golden and a toothpick inserted comes out clean.

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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Rice + flourtop 16% of all pairs
    Smell alikemoderate
    Cooked together6,611 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Rice + eggtop 28% of all pairs
    Smell alikemoderate
    Cooked together8,350 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

Flour and egg 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

Rice flour
Forms the cake's structure as its starches set during baking.
Eggs
Whipped whites trap air in a foam that lifts the cake as it bakes.

The step that matters

Adding the flour to the beaten whites. Egg white foam holds the air that makes the cake rise. Adding the flour gradually and mixing only until combined keeps the foam from deflating, which would leave a dense cake.

“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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