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Escalloped Onions, Cauliflower or Asparagus

A baked dish of onions, cauliflower, or asparagus in a butter‑flour‑milk sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Escalloped Onions, Cauliflower or Asparagus

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the vegetable

  1. Boil the vegetable until tender.

  2. Cut the vegetable into small pieces and place in a baking dish.

Make the sauce

  1. In a bowl, rub the butter into the flour.

  2. Pour in the hot milk and cook until the mixture thickens like custard.

Bake

  1. Pour the sauce over the vegetable in the baking dish.

  2. Bake at 350°F (175°C) 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 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

Butter
Enriches the sauce with fat, adding richness and a smooth mouthfeel.
Flour
Thickens the milk into a custard-like sauce as its starch gelatinises with heat.
Milk
Forms the liquid base of the sauce, which sets to a custard when heated with flour.
Vegetable
Forms the main body of the dish, holding its texture under the sauce as it bakes.

The step that matters

Cooking the sauce until it thickens. The flour starch must be heated long enough to swell and thicken the milk. If the sauce is pulled off the heat too early, it stays thin and runny and will not coat the vegetable well in the baked dish.

Swap the onion

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

  1. Potatofits better
  2. Arrowrootfits better
  3. Leekfits better
  4. Onionthe original

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