Name: Mushroom Soup
Ingredients: 1 quart thin stock; 1 teaspoon salt; ½ teaspoon pepper; ½ tin Trench mushrooms, cut into small pieces; 1 tablespoon browned flour; 1 ounce butter

Why it works: Mushroom and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓

Mushroom Soup

Ingredients

Directions

Bring the stock to a boil.
Add salt, pepper, and mushrooms; boil for 20 minutes.
Mix browned flour and butter together, then add to the soup.
Boil again and serve hot.

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.

Photo for illustrative purposes only · Contact us to use it

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.

Mushroom + buttertop 7% of all pairs

Smell alikemoderate

Cooked together12,525 recipes

Shared aroma: trans-2-decenal (waxy, orange).
Pepper + mushroomtop 11% of all pairs

Smell alikemoderate

Cooked together13,580 recipes

Shared aroma: 2-nonenal (fatty, green).
Flour + buttertop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Mushroom + flourtop 18% of all pairs

Smell alikemoderate

Cooked together8,253 recipes

Shared aroma: isobutyraldehyde (malty, green).
Pepper + flourtop 19% of all pairs

Smell alikemoderate

Cooked together50,459 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

Mushrooms: Provide the main flavour and body of the soup.
Browned flour: Thickens the soup and adds a toasted, nutty flavour.
Butter: Adds richness and helps the browned flour blend smoothly into the soup.

“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.