noun
vichyssoise
vee-shee-SWAHZ/ˌviːʃiːˈswɑːz/
A creamy potato-and-leek soup typically served cold.
Finely snipped chives garnish a bowl of smooth, pale vichyssoise.

Etymology
French vichyssoise means “Vichy-style,” from the soup's name “Vichy-style cream.” The choice of name perhaps alludes to the refreshing properties of Vichy mineral water; early references allowed the soup to be served hot too.
In context
We're making a delicious, creamy vichyssoise, so let's get started.
More examples
- Chill the vichyssoise for several hours before serving it.
- I ordered vichyssoise as a starter instead of salad.
- Blend the potatoes and leeks until the vichyssoise is smooth.
Forms
vichyssoise