Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Dutch Lettuce
Ingredients
Directions
Prepare the lettuce
Wash the lettuce and cut it finely.
Drain all the water off.
Place the lettuce in a dish.
Add the toppings
Add sliced onions and chopped hard-boiled eggs.
Sprinkle with salt and sugar.
Mash the hot potatoes and place them on top.
Make the dressing and serve
Heat the vinegar until warm.
Melt the butter in the warm vinegar.
Alternatively, fry 3 or 4 slices of bacon and use the grease instead.
Pour the hot mixture over the lettuce.
Serve immediately.
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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Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Potato + lettucetop 7% of all pairsSmell alikestrongCooked together322 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Onion + lettucetop 8% of all pairsSmell alikestrongCooked together3,562 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lettuce
- Forms the bulk of the salad and wilts slightly under the hot dressing.
- Vinegar
- Provides acidity that sharpens the dressing and balances the sweetness.
- Butter
- Adds fat and richness to the warm dressing.
- Hard-boiled eggs
- Add body and mild richness to the salad.
- Potatoes
- Add starchy body and absorb some of the warm dressing.
The step that matters
Pour the hot mixture over the lettuce. The dressing must be hot enough to slightly wilt the lettuce and to melt the butter fully into the vinegar. If it cools, the lettuce stays crisp and the dressing separates, so pour it immediately after mixing.
Swap the lettuce
How well each one fits the dish's main ingredients (egg, onion, sugar, potato, butter, vinegar):
- Chivefits better
- Mustardfits better
- Capsicumfits better
- Lettucethe original
Fit is the average pairing score against egg, onion, sugar, potato, butter, vinegar. 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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