Name: Egg Sauce
Ingredients: 4 hard-boiled eggs; 2 tablespoons melted butter; ⅓ cup grated ham or tongue; a pinch of white pepper; juice of 1 lemon

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 ↓

Egg Sauce

Ingredients

Directions

Dice the hard-boiled eggs and add them to melted butter.
Crush the yolks to a powder and mix to thicken the butter.
For a savory sauce, mince 2 hard-boiled eggs finely.
Add grated ham or tongue, white pepper, and lemon juice.
Warm the mixture in melted butter.

Recipe from a historical cookbook (Internet Archive).

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.

Butter + lemontop 16% of all pairs

Smell alikemoderate

Cooked together41,227 recipes

Shared aroma: 3-hexenal (apple, fruity).
Butter + hamtop 16% of all pairs

Smell alikemoderate

Cooked together5,475 recipes

Shared aroma: trans-2-decenal (waxy, orange).
White pepper + lemontop 16% of all pairs

Smell alikelow

Cooked together1,658 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Egg + hamtop 17% of all pairs

Smell alikemoderate

Cooked together4,526 recipes

Shared aroma: 2,4-decadienal (seaweed).
Egg + buttertop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Hard-boiled eggs: Provide the main body of the sauce, with crushed yolks thickening the butter.
Melted butter: Carries the eggs and adds richness and a smooth, flowing texture.
Grated ham or tongue: Adds savory, meaty flavor to the sauce.

Flavor stand-ins for the white pepper

How well each one fits the dish's main ingredients (egg, butter, ham, lemon):

Parsleybetter flavor fit
Tarragonbetter flavor fit
Nutmegbetter flavor fit
White pepperthe original

Fit is the average pairing score against egg, butter, ham, lemon. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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.