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Delicate Onions

A sautéed onion dish cooked with butter and beaten eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Onion and butter are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 42,912 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Delicate Onions

Ingredients

Directions

Prepare the onions

  1. Slice the onions and place them in cold water with salt and baking soda.

  2. Bring the water to a boil, then drain and discard the water.

  3. Add hot water and a little more salt, then stew the onions until tender.

  4. Drain the onions in a colander and keep them warm.

Cook and serve

  1. In a pan, heat 1 teaspoon of melted butter, then add the onions.

  2. When the onions are hot, add 1 tablespoon of butter and the beaten eggs.

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

    Shared aroma: decanal (soap, orange peel).

  2. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Onion + eggtop 34% of all pairs
    Smell alikelow
    Cooked together23,333 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Onion and egg barely smell alike, yet cooks put them together in 23,333 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 bulk and sweetness as they soften and caramelize slowly in the pan.
Eggs
Set when heated, binding the onions together into a soft, tender mass.
Butter
Adds fat and richness, carrying flavor and helping the onions and eggs cook smoothly.
Baking soda
Raises the water's alkalinity, helping the onions break down and turn tender during stewing.

The step that matters

Stewing the onions until tender. Onions must soften fully in the hot water before frying; undercooked onions stay firm and bitter, and the baking soda and salt help them break down evenly.

Swap the onion

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

  1. Asparagusfits better
  2. Chivefits better
  3. Leekfits better
  4. Onionthe original

Fit is the average pairing score against butter, egg. 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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