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Peas boiled with salt, water, butter, and flour to thicken.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Peas

Ingredients

Directions

Cook the peas

  1. Put the peas in a saucepan with salt and enough hot water to cover them.

  2. Cover the saucepan while cooking.

  3. If the peas are very young, boil for 20 minutes.

  4. Drain the water.

  5. Cover the peas with fresh hot water.

  6. Boil for an additional 10 minutes.

Thicken and serve

  1. Mix the flour with the butter until smooth.

  2. Stir the mixture into the peas until the water thickens.

  3. Serve immediately, avoiding overcooking to prevent mushiness.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Peas + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together4,887 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  3. Peas + flourtop 21% of all pairs
    Smell alikelow
    Cooked together2,837 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Peas
Form the main body of the dish and provide its tender, sweet texture when cooked.
Flour
Thickens the cooking water into a light coating around the peas.
Butter
Adds richness and smoothness to the thickened liquid.

The step that matters

Serve immediately after thickening. Peas keep cooking in their own heat, and overcooking breaks down their cell walls, turning them soft and mushy. Serving promptly keeps their texture firm and bright.

Swap the peas

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

  1. Almondfits better
  2. Macadamia nutfits better
  3. Cashew nutfits better
  4. Peasthe original

Fit is the average pairing score against flour, 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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