Why it works: Lettuce and pepper are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 4,037 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Lettuce, Dutch Style
Ingredients
Directions
Prepare the lettuce
Separate the leaves of the lettuce.
Wash the leaves thoroughly.
Tear the large leaves into several pieces.
Make the dressing
Cut the bacon into half-inch blocks.
Sauté the bacon until pale brown.
Add the sour cream.
Bring the mixture to a boil.
Thicken the mixture with the beaten egg.
Stir in the vinegar.
Add pepper to taste.
Pour the hot dressing over the lettuce. Mix thoroughly.
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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Lettuce + peppertop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Lettuce + vinegartop 14% of all pairsSmell alikemoderateCooked together2,370 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Ham + eggtop 17% of all pairsSmell alikemoderateCooked together4,526 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Ham + vinegartop 22% of all pairsSmell alikemoderateCooked together737 recipes
Shared aroma: 3-methylbutanol (malty, whiskey).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lettuce
- Forms the crisp base that the warm dressing wilts slightly.
- Sour cream
- Provides creamy body and a tangy richness to the dressing.
- Bacon or ham
- Adds salty, savory fat that flavors the dressing.
- Vinegar
- Adds acidity that sharpens the rich dressing.
- Egg
- Thickens the hot dressing as it cooks, giving it body.
The step that matters
Thicken the mixture with the beaten egg. Egg proteins set when heated, so the dressing thickens only if it is hot enough. Adding the egg to a mixture that is too cool leaves it thin, while overheating can scramble it into lumps. Stir steadily while adding it.
Swap the lettuce
How well each one fits the dish's main ingredients (cream, ham, vinegar, egg, pepper):
- Mustardfits better
- Capsicumfits better
- Spinachfits better
- Lettucethe original
Fit is the average pairing score against cream, ham, vinegar, egg, pepper. 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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