Why it works: Beef and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and 17,091 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
Ingredients
Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the beef
Cut the fillet into ½‑inch thick slices and stamp out 8 rounds, 2 inches in diameter. Season with salt and pepper.
Melt butter in a sauté pan and fry the tournedos quickly on both sides until underdone.
Assemble and serve
Place the cooked tournedos on fried croutes cut to the same size.
Mix the Bearnaise sauce with the tomato sauce and place a border around each tournedos.
In the center of each, add a small artichoke bottom filled with cooked asparagus heads tossed in butter.
Arrange the tournedos in a circle and place the Parisian potatoes in the center and around them.
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 aroma chemistry they share, and how many recipes mention both.
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + tomatotop 3% of all pairsAroma overlapstrongMentioned together5,445 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cream + buttertop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Pepper + tomatotop 4% of all pairsAroma overlapstrongMentioned together17,913 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + peppertop 4% of all pairsAroma overlapstrongMentioned together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fillet of beef
- Forms the tender main protein, which stays juicy when cooked only briefly until underdone.
- Butter
- Conducts heat in the pan and promotes browning on the beef surface.
- Bearnaise sauce
- Adds richness and fat from egg yolks and butter, balancing the lean beef.
- Tomato sauce
- Adds acidity and moisture that cut through the richness of the Bearnaise.
- Artichoke bottoms
- Provide a tender, mild base that holds the asparagus in the center.
The step that matters
Fry the tournedos quickly until underdone. Searing over high heat browns the surface through the Maillard reaction while the interior stays rare. Cooking too long toughens the muscle fibres and dries the meat, so timing matters more than the heat alone.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (beef, artichoke, pepper, cream, butter, sauce, tomato):
- Capsicumbetter flavor fit
- Potatobetter flavor fit
- Spinachabout as good a flavor fit
- Onionthe original
Fit is the average pairing score against beef, artichoke, pepper, cream, butter, sauce, tomato. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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