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Stuffed Onions

A dish of parboiled onions filled with seasoned meat, baked with pork fat and served with a reduced Espagnole sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Onion and pork are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 18,214 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Stuffed Onions

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the onions

  1. Peel the onions carefully, avoiding cutting the ends too deep.

  2. Parboil the onions in lightly salted water with butter for 10 minutes.

  3. Drain and dry the onions on a napkin.

  4. When cool, scoop out the centers and fill with forced meat mixed with cooked fine herbs.

Braise

  1. Arrange the onions in a buttered flat saucepan, close together, and season with salt and sugar.

  2. Cover each onion with a thin slice of fat pork and moisten with broth.

  3. Bring to a boil, cover, and place in a 350°F (175°C) oven.

  4. Once cooked, strain the gravy into another saucepan and skim off the grease.

  5. Add Espagnole sauce to the gravy and reduce to desired consistency, then serve with the onions.

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 + porktop 10% of all pairs
    Smell alikemoderate
    Cooked together18,214 recipes

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

  2. Meat + porktop 11% of all pairs
    Smell alikemoderate
    Cooked together3,208 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  3. Butter + porktop 13% of all pairs
    Smell alikemoderate
    Cooked together13,933 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

  4. Sugar + saucetop 13% of all pairs
    Smell alikestrong
    Cooked together5,147 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: ethanol (alcoholic, ethereal).

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

White onions
Provide the main body of the dish, softening and becoming sweet as they cook slowly.
Forced meat of veal or chicken
Fills the onion centers, giving a soft, savory stuffing that sets as it cooks.
Butter
Adds richness and helps the onions brown gently in the saucepan.
Fat pork
Lays over each onion, basting it with fat as it cooks and adding savory flavor.
Espagnole sauce
Thickens and deepens the gravy, adding body and savory roasted flavor.

The step that matters

Parboiling and draining the onions. Parboiling softens the onions enough to scoop and fill without tearing, and drying them removes surface water so the braising liquid and gravy stay concentrated rather than diluted.

Swap the onion

How well each one fits the dish's main ingredients (butter, meat, sugar, pork, sauce):

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

Fit is the average pairing score against butter, meat, sugar, pork, sauce. 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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