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 ↓
Fillet of Beef
Ingredients
Directions
Prepare
Trim and tie the fillet into shape.
Sear and cook
Heat the clarified butter in a flat saucepan.
Add the meat and season with salt.
Turn constantly until all sides are browned.
Move the pan to a cooler part of the stove and cook for 30 minutes.
Transfer the meat to a hot platter.
Make the sauce
Pour off the butter, leaving 1 tablespoon in the pan.
Add 1 tablespoon of flour and blend with 1 cup of rich stock.
Season with salt and add the juice of half a lemon.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Beef + buttertop 16% of all pairsSmell alikemoderateCooked together10,847 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Beef + lemontop 21% of all pairsSmell alikemoderateCooked together4,278 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
- Fillet of beef
- Is the main cut that is seared and slowly cooked through to stay tender.
- Clarified butter
- Conducts high, even heat for browning the surface and adds rich flavour.
- Flour
- Thickens the pan juices with the stock into a smooth sauce.
- Rich stock
- Forms the liquid base of the sauce, adding body and savoury depth.
The step that matters
Turn constantly until all sides are browned. Frequent turning builds an even brown crust through the Maillard reaction without overcooking any one side. Uneven or lazy turning leaves pale patches and grey, overcooked edges.
Swap the lemon
How well each one fits the dish's main ingredients (beef, butter, flour):
- Raisinfits better
- Coconutfits better
- Avocadofits better
- Lemonthe original
Fit is the average pairing score against beef, butter, flour. 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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