A very nice man, Oliver, runs the place. He had us sign in, we were 34 and 35 in 2017. He said he had about 1000 in 2016.
No printed menu, before each course he asked us which of two alternatives we wanted. We took one of each so we could try everything. The spinach gnochi was as good as anything we have had so far.
This seems to be the only business in Costamezzana, a really small place. They made us hard-boiled eggs to take and eat on the walk the next morning. Here is the outside: