provençale
Concise Oxford English Dictionary © 2008 Oxford University Press:
provençale /ˌprɒvɒ̃ˈsɑːl/
▶adjective [postpos.] denoting a dish cooked in a sauce made with tomatoes, garlic, and olive oil, as characteristic of Provençal cuisine.
– origin from Fr. à la provençale ‘in the Provençal style’.
'provençale' also found in these Oxford entries:

