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Soupe a LA Solferino

A French soup made with rice, egg yolks, cream, and seasoned with pepper and sea salt.

From an old cookbook · modernised transcription
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Why it works: Rice and pepper match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and 8,100 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

The recipe

Ingredients

Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

Make the soup base

  1. Wash the rice and boil it slowly in the stock until tender.

  2. Rub the rice through a sieve.

Finish and serve

  1. Mix the egg yolks and cream with the seasoning.

  2. Pour the mixture into the soup.

  3. Return to the saucepan and stir over low heat until it begins to thicken, but do not allow it to boil.

  4. Serve immediately.

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 aroma chemistry they share, and how many recipes mention both.

  1. Rice + peppertop 6% of all pairs
    Aroma overlapstrong
    Mentioned together8,100 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Egg + creamtop 12% of all pairs
    Aroma overlapmoderate
    Mentioned together41,958 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Rice + creamtop 12% of all pairs
    Aroma overlaplow
    Mentioned together3,391 recipes

    Shared aroma: 2-nonanone (fruity, floral).

  4. Cream + peppertop 13% of all pairs
    Aroma overlaplow
    Mentioned together21,446 recipes

    Shared aroma: acetic acid (sour, vinegar).

  5. Rice + eggtop 15% of all pairs
    Aroma overlapstrong
    Mentioned together8,090 recipes

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

Cream and pepper share little aroma chemistry, yet 21,446 recipes mention both: they likely 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
Breaks down when boiled and sieved, giving the soup body and a smooth, thickened texture.
Egg yolks
Thicken the soup gently when heated and add richness to the finished texture.
Cream
Adds fat and richness, softening the flavor and making the soup smoother.
White stock
Forms the liquid base of the soup and carries the flavor of the dish.

The step that matters

Return to the saucepan and stir over low heat until it begins to thicken, but do not allow it to boil.. Egg yolks set at low temperatures but curdle and turn grainy if overheated. Keeping the heat low and stirring evenly lets the soup thicken smoothly.

“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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