This sort of pancake made with chickpea flour, cooked in a wood stove on copper plates, is probably derived from 'Farinata'.

This specialty, deeply rooted in the culinary tradition of Southern France, but probably comes from Italy in the nineteenth century with the Genoese immigrants.

Before becoming a luxurious place where world leaders come to spend their winter, Nice, at that time, was a small and quite poor village.

Main commerce there was fishing, trade of olive oil and its tobacco manufacturing.

Nowadays, 'socca' is eaten with your fingers just out of the oven, well sprinkled with pepper. Unfortunately, everyone does not have a wood stove at home, but it is quite feasible to make the 'socca' in your oven.

More Info: en.wiktionary.org