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 says “a good oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Place the lamb in a roasting pan and pour boiling water over it.
Roast
Roast for 10 minutes per pound, basting often.
After 30 minutes, cover the lamb with thick paper.
Five minutes before removing from the oven, take off the paper, dredge with flour, and froth with butter.
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.
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Lamb + buttertop 17% of all pairsSmell alikemoderateCooked together2,232 recipes
Shared aroma: decanal (soap, orange peel).
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Lamb + flourtop 21% of all pairsSmell alikemoderateCooked together1,402 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
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
- Is the main protein that cooks through slowly and becomes tender with roasting.
- Flour
- Dusted on the surface to help form a light crust that browns in the oven.
- Butter
- Frothed over the surface to add fat, richness and browning.
The step that matters
Covering the lamb with paper after 30 minutes. Covering slows surface browning so the outside does not darken or dry out before the interior finishes cooking. Removing the paper five minutes before the end lets the surface brown and crisp.
“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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