Name: White Sauce
Ingredients: 1 pint boiling water; 2 tablespoons butter; 1 cup boiling milk; Salt and pepper to taste

Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

White Sauce

Ingredients

1 pint boiling water
2 tablespoons butter
1 cup boiling milk
Salt and pepper to taste

Directions

Make the base

In a saucepan, bring 1 pint of water to a boil.
Add 2 tablespoons of butter and stir until melted.
Thicken the mixture as desired.

Season and finish

Season with salt and pepper to taste.
Finally, add 1 cup of boiling milk and mix well.

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 + milktop 7% of all pairs

Smell alikemoderate

Cooked together81,283 recipes

Shared aroma: (z)-4-heptenal (biscuit, cream).
Butter + peppertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Milk + peppertop 22% of all pairs

Smell alikemoderate

Cooked together26,984 recipes

Shared aroma: ethyl 2-methylbutyrate (fruity, apple).