Why it works: Butter and lemon are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 41,227 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Vegetable Marrow
Ingredients
Directions
Prepare and boil
Choose young small vegetable marrows with smooth skin.
Boil them in 2 quarts of water with 1 ounce of coarse sea salt and 1 ounce of butter.
Make the sauce
In a pan, heat ½ pint of melted butter until near boiling.
Add the egg yolk, 2 pats of butter, sugar, and lemon juice to the pan.
Serve
Test for tenderness with a needle, then dish them on mashed potatoes.
Sauce the vegetable marrows and serve.
If large, cut them in half lengthwise; if small, remove the insides, boil until tender, and warm in the sauce.
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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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Vegetable marrows
- Form the main body of the dish and become tender when boiled.
- Butter
- Adds richness and carries flavour in both the boiling water and the sauce.
- Egg yolk
- Thickens the sauce and gives it a smooth, rich body as it cooks.
- Lemon juice
- Adds acidity that brightens the rich butter sauce.
The step that matters
Heating the egg yolk into the butter sauce. Egg yolk thickens when gently heated but curdles if the butter is too hot. Keeping the butter only near boiling and adding the yolk carefully helps the sauce stay smooth.
Swap the lemon
How well each one fits the dish's main ingredients (butter, egg, sugar):
- Vanillafits better
- Lemonthe original
- Raisinfits about as well
- Figfits about as well
Fit is the average pairing score against butter, egg, sugar. 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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