Name: Stewed Calf's Liver
Ingredients: Calf's liver; Pepper; Coarse sea salt; Butter; 1 tablespoon flour; 2 tablespoons water

Why it works: Butter and flour 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 ↓

Stewed Calf's Liver

Ingredients

Directions

Partly cook the calf's liver, then cut it into small pieces.
Finish stewing the liver and season with pepper, coarse sea salt, and butter.
Thicken the stew with a mixture of flour and water.
Serve hot; it's nice for breakfast.

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.

Butter + flourtop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

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

Smell alikemoderate

Cooked together50,459 recipes

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

Smell alikemoderate

Cooked together2,065 recipes

Shared aroma: guaiacol (smoky, sweet).
Liver + peppertop 21% of all pairs

Smell alikemoderate

Cooked together2,375 recipes

Shared aroma: 2-nonenal (fatty, green).
Pepper + buttertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

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

Butter and flour 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

Calf's liver: Forms the main body of the stew and provides its rich, savory flavor.
Butter: Adds fat and richness to the finished stew.
Flour: Thickens the stew's cooking liquid into a smooth sauce.

“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.