Why it works: Celery and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Potato Puree
Ingredients
Directions
Prepare the potatoes
Peel and boil the potatoes in water until very soft.
Drain and mash the potatoes until light and fluffy.
Make the puree
In a separate pot, combine the chopped onion and celery with the milk and bring to a boil.
Add the salt, white pepper, celery salt, and pour the mixture over the mashed potatoes.
Pass the mixture through a sieve and return it to the pot to boil again.
Mix the melted butter with the flour and stir it into the puree.
Let it boil for five minutes, then serve.
If too thick, thin with hot milk.
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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Celery + parsleytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Potato + oniontop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Potato + celerytop 7% of all pairsSmell alikemoderateCooked together2,047 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Form the bulk of the puree, providing starch that gives it body and a soft texture.
- Milk
- Adds moisture and richness, loosening the mash into a smooth, creamy puree.
- Butter
- Adds fat for richer flavor and a silky mouthfeel in the finished puree.
- Flour
- Thickens the puree as it boils, helping it hold a smooth, spoonable consistency.
- Onion
- Contributes savory aromatic flavor that infuses the milk.
The step that matters
Boiling the puree after adding the butter and flour. Flour needs to boil to cook out its raw starch taste and to thicken fully. Stirring it in smoothly before boiling helps prevent lumps and a pasty texture.
Swap the white pepper
How well each one fits the dish's main ingredients (potato, milk, onion, celery, flour, butter, parsley):
- Thymefits better
- Capersfits better
- Dillfits better
- White pepperthe original
Fit is the average pairing score against potato, milk, onion, celery, flour, butter, parsley. 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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