Why it works: Potato and butter match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and 6,445 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
The recipe
Ingredients
Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Cut cold potatoes into cubes.
Place the cubes in buttered dishes.
Cover the potatoes with Bechamel sauce.
Sprinkle buttered crumbs over the top.
Bake in a 400°F (200°C) oven for fifteen minutes.
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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Potato + buttertop 6% of all pairsAroma overlapstrongMentioned together6,445 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Sauce + buttertop 8% of all pairsAroma overlaplowMentioned together15,317 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Potato + saucetop 14% of all pairsAroma overlaplowMentioned together1,072 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Sauce and butter share little aroma chemistry, yet 15,317 recipes mention both: they likely work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
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