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Dessert

Escaloped Onions

A casserole of sautéed onions topped with buttered breadcrumbs and nuts, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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 ↓

Escaloped 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 the onions

  1. Boil the onions until tender, then drain.

  2. Chop the onions coarsely with a knife and fork.

Assemble and bake

  1. In a bowl, combine the chopped onions, bread crumbs, chopped nuts, and milk. Season with salt and pepper.

  2. Transfer the mixture to a greased casserole dish.

  3. Sprinkle additional buttered crumbs over the top.

  4. Bake at 350°F (175°C) for 15 to 20 minutes, or until the crumbs are 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.

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. Bread + milktop 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. Walnut + peppertop 13% of all pairs
    Smell alikemoderate
    Cooked together3,039 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Onions
Form the main body of the dish, becoming soft and sweet when boiled and baked.
Bread crumbs
Absorb the milk and thicken the mixture so it holds together in the dish.
Milk
Adds moisture and, with the crumbs, forms a soft, custard-like binding.
Chopped english walnuts or pecans
Add texture and a toasty, rich flavor that contrasts with the soft onions.

The step that matters

Bake until the crumbs are browned. Browning comes from the Maillard reaction on the buttered crumbs at the surface. Stopping too early leaves the top pale and the dish under-browned, while over-baking can dry the milk-soaked mixture beneath.

Swap the walnut

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

  1. Beansfits better
  2. Lima beansfits better
  3. Peasfits about as well
  4. Walnutthe original

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