Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Stuffed Eggs
Ingredients
Directions
Boil the eggs
Boil the eggs for 20 minutes.
Immerse them in cold water for 2 minutes to prevent discoloration.
Prepare the filling
Remove the shells and cut the eggs in half lengthwise.
Carefully remove the yolks without breaking the whites.
Mash the yolks in a bowl, removing any hard parts.
Add the butter, sweet cream, mustard, vinegar, pepper, and salt; mix well.
If the mixture is too dry, add a little more cream.
Assemble
Fill the egg whites with the yolk mixture and reassemble the halves using toothpicks.
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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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked 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
- Eggs
- Provide the structure of the whites and the rich, creamy yolks that form the filling.
- Butter
- Adds fat and richness, making the mashed yolk filling smooth and creamy.
- Sweet cream
- Adds moisture and softness so the mashed yolk filling holds together smoothly.
- Mustard
- Adds sharp, tangy flavor that balances the richness of the yolks.
- Vinegar
- Adds acidity that brightens the flavor of the rich yolk filling.
The step that matters
Immerse the eggs in cold water. Chilling the boiled eggs quickly stops the cooking and helps prevent a greenish ring forming around the yolks, which is caused by sulfur and iron reacting when eggs overcook. Peeling is also easier when the shells are cool.
Swap the mustard
How well each one fits the dish's main ingredients (egg, butter, cream, vinegar, pepper):
- Capsicumfits about as well
- Potatofits about as well
- Mustardthe original
- Spinachfits about as well
Fit is the average pairing score against egg, butter, cream, vinegar, 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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