Why it works: Lettuce and mustard match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,356 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Cheese Salad
Ingredients
Directions
Assemble the salad
Layer finely shredded lettuce in a glass dish.
Add young sliced onions, mustard, cress, sliced tomatoes, and sliced hard‑boiled eggs.
Season with coarse sea salt and black pepper.
Top with a layer of grated cheese.
Serve
Serve with a dressing made of equal parts cream, salad oil, and vinegar mixed with a little mustard.
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 + mustardtop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + tomatotop 6% of all pairsSmell alikemoderateCooked together1,655 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + oniontop 8% of all pairsSmell alikestrongCooked together3,562 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lettuce
- Forms the crisp, bulky base layer of the salad.
- Hard-boiled eggs
- Add protein-rich body and a soft, creamy texture to the layers.
- Grated cheese
- Adds savoury richness and a salty, fatty flavour to the top layer.
- Cream
- Adds fat and smoothness, mellowing the sharpness of the vinegar in the dressing.
- Vinegar
- Brings acidity that sharpens the dressing and balances the fat of the cream and oil.
- Salad oil
- Provides fat that carries flavour and gives the dressing a silky body.
Swap the tomato
How well each one fits the dish's main ingredients (lettuce, onion, mustard, egg, pepper, cheese, cream):
- Spinachfits better
- Chivefits better
- Horseradishfits better
- Tomatothe original
Fit is the average pairing score against lettuce, onion, mustard, egg, pepper, cheese, cream. 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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