Preheat oven to 350 degrees Fahrenheit.
Cook farro according to package directions. Set aside.
On a baking sheet, coat the tomatoes with 1 tablespoon of extra virgin olive oil. Stir until all the tomatoes are coated well. Bake for 10-12 minutes.
Combine the cooked farro, roasted tomatoes, basil, mozzarella and salt in a bowl. Top with remaining 1 tablespoon of olive oil and vinegar (if using). Stir until thoroughly mixed.