Name: Vinegar Pie
Ingredients: 2 eggs; ½ cup vinegar; ½ cup water; 1 cup sugar; ¼ teaspoon salt; 2 tablespoons butter

Why it works: Vinegar and sugar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 20,806 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Vinegar Pie

Ingredients

Directions

Beat the egg yolks until light.
Add vinegar and water to the egg yolks and mix well.
Blend sugar, flour, and salt, then add to the mixture.
Place the mixture in a double boiler and cook until it thickens, stirring constantly.
Once thick, remove from heat, add salt and butter, and pour into a baked pie shell.
Make a meringue with the egg whites and spread it on top of the pie.

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.

Vinegar + sugartop 15% of all pairs

Smell alikemoderate

Cooked together20,806 recipes

Shared aroma: beta-damascenone (apple, rose).
Egg + buttertop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).
Sugar + buttertop 17% of all pairs

Smell alikemoderate

Cooked together98,233 recipes

Shared aroma: guaiacol (smoky, sweet).
Egg + sugartop 21% of all pairs

Smell alikemoderate

Cooked together122,807 recipes

Shared aroma: 2-nonenal (fatty, green).
Vinegar + buttertop 23% of all pairs

Smell alikemoderate

Cooked together13,513 recipes

Shared aroma: isoamyl acetate (banana, pear).