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 ↓
Roast Lamb
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 350°F (175°C).
Place the lamb in a dripping pan and dash with boiling water.
Roast
Cook for 15 minutes per pound, basting often.
Ten minutes before removing, dredge the lamb with flour and baste with butter.
Make the gravy
Pour off excess fat, then make gravy in the pan and mix in currant jelly.
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.
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + curranttop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
-
Lamb + buttertop 17% of all pairsSmell alikemoderateCooked together2,232 recipes
Shared aroma: decanal (soap, orange peel).
-
Lamb + flourtop 21% of all pairsSmell alikemoderateCooked together1,402 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
-
Lamb + curranttop 25% of all pairsSmell alikelowCooked together60 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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
- Lamb
- Forms the main body of the dish and supplies the meat and fat that drip into the pan.
- Flour
- Dredged over the surface to help form a browned crust and thicken the gravy.
- Butter
- Basting fat that adds moisture and richness and helps the surface brown.
- Currant jelly
- Adds sweetness and acidity to the gravy, balancing the richness of the lamb fat.
The step that matters
Pour off excess fat before making gravy. Lamb renders a lot of fat into the pan. Leaving too much in makes the gravy greasy and thin, while the flour and pan juices need a controlled amount of fat to thicken and carry flavour.
Swap the currant
How well each one fits the dish's main ingredients (lamb, flour, butter):
- Raisinfits better
- Coconutfits better
- Avocadofits better
- Currantthe original
Fit is the average pairing score against lamb, 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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