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French Receipt for Hashed Boutlli

A savory beef hash with onions, parsley, and a sauce thickened with egg yolks.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

French Receipt for Hashed Boutlli

Ingredients

Directions

Make the sauce

  1. Melt the butter in a saucepan over low heat.

  2. Stir in the flour and cook for 1 minute.

  3. Add the chopped onion and minced parsley, cooking until browned.

  4. Season with salt, pepper, and nutmeg.

  5. Pour in the boiling water or bouillon.

Add the beef and thicken

  1. Add the beef slices and heat gradually without boiling.

  2. Once near boiling, thicken the sauce with the egg yolks mixed with lemon juice.

  3. For a variation, omit the eggs and add catsup and pickled gherkins.

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. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Parsley + nutmegtop 3% of all pairs
    Smell alikestrong
    Cooked together5,062 recipes

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

  3. Onion + beeftop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Pepper + nutmegtop 7% of all pairs
    Smell alikestrong
    Cooked together13,015 recipes

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

  5. Flour + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Flour
Forms a roux with the butter that thickens the sauce as it cooks.
Egg yolks
Thicken the sauce when gently heated and add richness to its texture.
Butter
Carries the flavour of the onion and parsley and forms the base of the roux.
Beef
Provides the main meat and body of the dish, cooked gently in the sauce.
Lemon juice
Adds acidity that brightens the sauce and balances the rich egg yolks.

The step that matters

Thicken the sauce with egg yolks without boiling. Egg yolks scramble and curdle if the sauce gets too hot, leaving a grainy texture. Heating gradually and stopping just short of boiling lets the yolks thicken it smoothly.

Swap the onion

How well each one fits the dish's main ingredients (egg, butter, flour, parsley, pepper, nutmeg, beef):

  1. Shallotfits better
  2. Chivefits better
  3. Leekfits better
  4. Onionthe original

Fit is the average pairing score against egg, butter, flour, parsley, pepper, nutmeg, beef. 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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