Help identify please .. fruit in south of France

Question

Picked in south of France .. about 2 inches long. Sweet smelling. Any ideas?

Answer 1

Based on two comments, this could be feijoa.

Native to South America, it’s been since grown around the world both as ornamental plant and for their fruit.

Disclaimer:
As for all identification requests where the answers claim that a plant is edible, always double check yourself using multiple sources and paying attention to possible doppelgängers before consuming them.