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Horseradish Sauce

A sauce made with butter, horseradish, flour, stock, lemon juice, parsley, sugar, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Horseradish Sauce

Ingredients

Directions

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

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

  3. Add the stock and stir until it boils.

  4. Mix in the horseradish, sugar, pepper, and salt.

  5. Let it boil for 1 minute.

  6. Remove from heat and stir in the lemon juice and parsley.

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 + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together14,037 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

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

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

  3. Lemon + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  4. Horseradish + parsleytop 6% of all pairs
    Smell alikestrong
    Cooked together562 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Horseradish + lemontop 9% of all pairs
    Smell alikestrong
    Cooked together1,155 recipes

    Shared aroma: coumarin (sweet, hay).

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

What each ingredient does

Butter
Enriches the sauce and carries flavour while the flour cooks into a base.
Flour
Thickens the stock into a smooth sauce as it cooks with the butter.
Stock
Forms the liquid body of the sauce.
Horseradish
Provides the sharp, pungent heat that defines the sauce.
Lemon juice
Adds acidity that brightens the sharpness of the horseradish.

The step that matters

Let it boil for 1 minute after adding the horseradish. Boiling briefly cooks the flour starch fully so the sauce thickens smoothly, while the pungent compounds in horseradish mellow only slightly with heat; boiling too long dulls the bite and can break the thickened texture.

Swap the horseradish

How well each one fits the dish's main ingredients (butter, flour, parsley, lemon, pepper, sugar):

  1. Shallotfits better
  2. Arrowrootfits better
  3. Okrafits better
  4. Horseradishthe original

Fit is the average pairing score against butter, flour, parsley, lemon, pepper, sugar. 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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