1: Cook the farro according to package instructions and let it cool.
2: Drain the tuna and beans.
3: Chop the red onion and parsley.
4: In a large bowl, combine the cooled farro, tuna, beans, red onion, and parsley.
5: Drizzle with extra virgin olive oil, and season with salt, pepper, and lemon zest.
6: Mix well and serve chilled.
