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Cream Onions

A creamy onion sauce made by boiling onions, adding milk, baking soda, butter, cornstarch, parsley, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Cream Onions

Ingredients

Directions

Prepare the onions

  1. Boil the onions in two waters, then drain.

  2. If large, cut the onions into quarters.

Make the creamed sauce

  1. Pour scalding milk over the onions and stir in baking soda.

  2. Set over the fire and add butter.

  3. Wet cornstarch with milk and add to the mixture.

  4. Add minced parsley, pepper, and salt.

  5. Simmer and serve.

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. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  3. Onion + parsleytop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

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

  4. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Onions
Form the bulk of the dish, becoming soft and sweet as they cook.
Milk
Forms the creamy liquid base that gives the dish its body.
Butter
Adds fat and richness to the sauce and carries flavor.
Cornstarch
Thickens the milk so the sauce clings to the onions.

The step that matters

Wet cornstarch with milk and add to the mixture. Cornstarch clumps if added dry. Mixing it into cold milk first disperses the granules so they thicken evenly when heated.

Swap the onion

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

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

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