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Dessert

Rye Gems

A light cake made with rye meal, all-purpose flour, sugar, eggs, and milk.

From an old cookbook · modernised transcription
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Why it works: Rye and flour match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 1,320 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Rye Gems

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

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

  2. In a bowl, mix the rye meal, flour, and sugar.

  3. In another bowl, beat the egg yolks and add the milk.

  4. Combine the wet mixture with the dry ingredients.

  5. In a separate bowl, beat the egg whites until stiff and fold them into the batter.

Bake

  1. Pour the batter into gem pans and bake for 30 minutes.

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. Rye + flourtop 8% of all pairs
    Smell alikestrong
    Cooked together1,320 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Rye + milktop 12% of all pairs
    Smell alikemoderate
    Cooked together918 recipes

    Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

Flour and milk barely smell alike, yet cooks put them together in 78,219 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 whites beaten stiff trap air, lifting the batter and giving the gems a light texture.
All-purpose flour
Flour provides the main structure that holds the gems together as they bake.
Rye meal
Rye meal adds a earthy flavour and a denser crumb than wheat flour alone.
Milk
Milk adds moisture to the batter and helps it bake into a tender crumb.

The step that matters

Folding in the beaten egg whites. Stiffly beaten whites hold air that makes the gems rise. Folding gently, rather than stirring, keeps that air in the batter so the gems stay light.

“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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