Why it works: Potato and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and 2,481 recipes mention both. Both carry gamma-decalactone, which smells peach, creamy. The science ↓
The recipe
Ingredients
Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the potatoes
Boil the potatoes in salted water with the sweet herbs until tender.
Drain and let cool slightly, then slice the potatoes.
Combine and finish
In a stewpan, combine the sliced potatoes with the béchamel sauce.
Mix the egg yolks with the cream and salt, then add to the potatoes.
Stir gently to combine and heat through before serving.
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 + creamtop 8% of all pairsAroma overlapmoderateMentioned together2,481 recipes
Shared aroma: gamma-decalactone (peach, creamy).
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Sauce + creamtop 6% of all pairsAroma overlapmoderateMentioned together4,786 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Egg + creamtop 12% of all pairsAroma overlapmoderateMentioned together41,958 recipes
Shared aroma: acetic acid (sour, vinegar).
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Potato + saucetop 14% of all pairsAroma overlaplowMentioned together1,072 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Potato + eggtop 16% of all pairsAroma overlapstrongMentioned together4,716 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Starchy base that turns fluffy when cooked and mashed, giving the dish its body.
- Béchamel sauce
- Adds moisture and a smooth, creamy texture to the potatoes.
- Egg yolks
- Enrich the mixture and help bind it so it holds its shape.
- Cream
- Adds richness and moisture, keeping the mixture soft and smooth.
The step that matters
Adding the egg yolks to the potatoes. Egg yolks scramble if they meet very hot food too quickly. Mixing them with cream first and stirring gently over heat keeps the mixture smooth and evenly bound.
“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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