Why it works: Asparagus and lettuce match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 313 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Asparagus with Eggs
Ingredients
Directions
Prepare the vegetables
Cut off the tops of the asparagus and keep them in cold water until needed.
Bring the milk to a boil, then add the asparagus stalks, lettuce, onion, bay leaf, thyme, and salt; simmer gently for about 20 minutes.
Rub the mixture through a fine sieve.
Make the sauce
Melt the butter in a saucepan, stir in the flour, and cook slightly.
Add the vegetable puree and the milk it was cooked in, stirring until it boils.
Cool slightly, then add the egg yolks and cook gently until thickened, stirring constantly.
Finish and serve
Prepare the asparagus tops by boiling them for 10 to 15 minutes.
Poach the eggs and trim them to a nice round shape.
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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Asparagus + lettucetop 2% of all pairsSmell alikestrongCooked together313 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + thymetop 6% of all pairsSmell alikestrongCooked together247 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Onion + thymetop 7% of all pairsSmell alikemoderateCooked together11,171 recipes
Shared aroma: coumarin (sweet, hay).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
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
- Asparagus
- Provides the main vegetable flavour and body of the puree and the tender tops served with the eggs.
- Butter
- Enriches the sauce with fat and carries flavour through the roux.
- Flour
- Thickens the sauce as a roux with the butter, giving it body.
- Egg yolks
- Thicken the sauce when gently cooked and add richness.
- Milk
- Forms the liquid base of the sauce and adds creaminess.
- Eggs
- Serve as the main protein, setting firm when poached.
The step that matters
Adding the egg yolks. Yolks thicken by gentle heat; if the sauce is too hot when they go in, or cooked too fast, they can scramble and curdle. Cool slightly first and stir constantly over gentle heat.
Swap the onion
How well each one fits the dish's main ingredients (asparagus, milk, lettuce, thyme, butter, egg, flour):
- Leekfits better
- Chivefits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against asparagus, milk, lettuce, thyme, butter, egg, flour. 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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