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 ↓
Roast Beef
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare and roast
Preheat your oven to 400°F (200°C).
Place the sirloin beef on a spit and roast for 3.5 to 4 hours, ensuring it cooks evenly.
Add a little clean dripping to the dripping pan and cover it with a sheet of paper to preserve the fat.
Baste the beef well as soon as it is placed in the oven, and continue basting every 15 minutes until the last half hour.
Brown and serve
Remove the paper for the last half hour and prepare gravy by stirring the fire to make it clear.
To brown the beef, sprinkle a little coarse sea salt over it, baste with butter, and dredge with flour.
Let it roast for a few more minutes until frothy, then remove from the oven, place on a dish, and serve.
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.
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Beef + buttertop 16% of all pairsSmell alikemoderateCooked together10,847 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Beef + flourtop 25% of all pairsSmell alikelowCooked together10,677 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
- Sirloin beef
- Is the main cut that becomes the roast, providing the meat itself.
- Butter
- Bastes the surface, adding richness and helping the outside brown.
- Flour
- Dredged over the surface, helping form a browned crust and thicken the gravy.
- Clean dripping
- Fat in the pan that bastes the meat and keeps it moist as it roasts.
The step that matters
Basting the beef throughout roasting. Regular basting keeps the surface moist and carries fat over the meat, so the exterior browns evenly rather than drying out or scorching in patches.
“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.
More roast beef recipes
You might also like
Beef Loaf175 recipes
Corned Beef87 recipes
Beef Broth67 recipes
Beef Croquettes58 recipesThe free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.