Rinse and cook the farro according to package instructions.
While farro cooks, wash and chop the kale.
Prepare the vegetables: slice the cherry tomatoes and red onion.
Once the farro is cooked, drain and cool it briefly.
In a large bowl, combine the cooked farro, kale, tomatoes, red onion, and feta cheese.
Whisk together olive oil, lemon juice, salt, and pepper for the dressing.
Pour the dressing over the salad and toss to combine.
Taste and adjust seasoning if necessary, then serve.