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Scalloped Onions

A baked dish of onions simmered in cream sauce, topped with buttered breadcrumbs and optional cheese.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Scalloped Onions

Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Scalloped Onions

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

  1. Cook the onions in boiling salted water until tender.

Assemble

  1. Layer the cooked onions in a buttered pudding dish.

  2. Pour cream sauce over the layers.

  3. Top with buttered breadcrumbs and sprinkle with grated cheese if desired.

Bake

  1. Bake at 350°F (175°C) until the crumbs are slightly browned.

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.

Photo for illustrative purposes only · Contact us to use it

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 + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

  2. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

  3. Cream + saucetop 9% of all pairs
    Smell alikemoderate
    Cooked together4,787 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Butter + saucetop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

Butter and sauce barely smell alike, yet cooks put them together in 15,338 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

Onions
Provide the main body and sweet, mild flavor of the dish once softened by cooking.
Butter
Adds richness and helps the breadcrumbs brown evenly in the oven.
Cream sauce
Supplies moisture and a creamy texture that keeps the layers from drying out.
Breadcrumbs
Form a crisp, golden topping through browning in the oven.
Grated cheese
Adds savory flavor and helps the topping brown further.

The step that matters

Bake until the crumbs are only slightly browned. Breadcrumbs brown quickly through Maillard reactions at oven heat, so pulling the dish when the crumbs are just golden keeps the topping crisp without scorching or drying the creamy layers beneath.

Swap the onion

How well each one fits the dish's main ingredients (butter, cream, sauce, cheese):

  1. Mustardfits about as well
  2. Potatofits about as well
  3. Onionthe original
  4. Asparagusfits less well

Fit is the average pairing score against butter, cream, sauce, cheese. 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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