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Bread Sauce

A creamy sauce made from milk, butter, flour, and grated stale bread, flavored with onion and black pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Bread and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Bread Sauce

Ingredients

Directions

Infuse the milk

  1. Boil the onion, cut into quarters, with black pepper and milk until the onion is soft.

  2. Strain the milk over the grated bread and cover it.

Finish the sauce

  1. After an hour, transfer the mixture to a saucepan.

  2. Mix in the butter and flour, then boil everything together.

  3. Serve hot.

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. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Milk + breadtop 11% of all pairs
    Smell alikemoderate
    Cooked together11,466 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Milk
Forms the liquid base that the bread soaks up and the sauce is built on.
White bread
Soaks up the milk and swells, giving the sauce its body and thickness.
Onion
Softens while simmering in the milk, adding a mild, sweet aroma.
Butter
Adds fat for a smoother, richer mouthfeel and rounded flavour.
Flour
Its starch thickens the sauce further when heated with the liquid.

The step that matters

Boiling the butter and flour into the sauce. Flour thickens only when its starch is heated in liquid, and boiling cooks out its raw, pasty taste. Stirring while it heats helps prevent lumps from forming.

Swap the onion

How well each one fits the dish's main ingredients (pepper, milk, bread, butter, flour):

  1. Capsicumfits better
  2. Potatofits better
  3. Shallotfits better
  4. Onionthe original

Fit is the average pairing score against pepper, milk, bread, butter, flour. 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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