Name: Sheep’s Kidneys, Stewed
Ingredients: 4 sheep's kidneys; ½ cup stock; 2 teaspoons lemon juice; 2 teaspoons chopped parsley; 1 teaspoon Worcestershire sauce; ¼ teaspoon salt; ¼ teaspoon pepper; 1 tablespoon hot fat (butter or oil); 1 tablespoon browned flour

Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Sheep’s Kidneys, Stewed

Ingredients

Directions

Prepare

Skin and halve the kidneys, then cut them through again.

Make the stew

Brown the kidneys in hot fat for 2‑3 minutes.
Add the stock, lemon juice, parsley, Worcestershire sauce, salt, and pepper.
Bring to a boil, then simmer for 10 minutes.
Add browned flour to thicken, and cook for a few more minutes.

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.

Lemon + parsleytop 1% of all pairs

Smell alikestrong

Cooked together14,037 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Parsley + peppertop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Lemon + peppertop 3% of all pairs

Smell alikestrong

Cooked together27,047 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Butter + flourtop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Parsley + flourtop 12% of all pairs

Smell alikemoderate

Cooked together16,675 recipes

Shared aroma: isobutyraldehyde (malty, green).

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

Sheep's kidneys: Form the main body of the dish, becoming tender when simmered briefly in liquid.
Browned flour: Thickens the cooking liquid into a light sauce as it cooks.
Stock: Provides the liquid base that the kidneys and flour cook in.
Hot fat: Browns the kidneys, building surface flavour before the liquid is added.

The step that matters

Browning the kidneys in hot fat. Searing the surface in hot fat creates browned, savoury flavour through the Maillard reaction. Crowding the pan or using fat that is not hot enough will steam the kidneys instead, leaving them grey and blander.

“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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Sheep’s Kidneys, Stewed