Why it works: Potato and egg are a kitchen classic. They rank in the top 29% of all ingredient pairs, and cooks put them together in 4,978 recipes. Both carry (e)-2-octenal, which smells fatty, green. The science ↓
Duchesse Potato
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
Boil and mash the potatoes.
Season to taste.
Add the beaten egg and mix well.
Roll out the mixture flat.
Shape and bake
Cut into narrow strips, 2 to 3 inches long, or use a pastry bag to shape into ladyfingers.
Brown in the oven at 400°F (200°C).
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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Potato + eggtop 29% of all pairsSmell alikemoderateCooked together4,978 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
- Provide the starchy base that holds the shape once mashed and formed.
- Egg
- Binds the mashed potato so the shaped pieces hold together, and helps them brown in the oven.
The step that matters
Add the beaten egg and mix well. Egg proteins set when heated and bind the mashed potato. If the egg is not fully mixed in, the pieces may crumble or cook unevenly in the oven.
“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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