Preheat the air fryer to 400 F.
Clean the squash and carrots. No need to peel.
Cut into 2-inch sticks or coins. Slice onion thin.
Toss the veggies with olive oil, 1/2 t salt and a few grinds of pepper.
Add the veg to the bottom of air fryer basket in a single layer.
Set the timer for 10 minutes. Check and toss/turn after 10 minutes. Once done, remove and set aside.
Prepare the farro per the package instructions.
Chop the green onions and tomatoes.
Chunk up the avocado.
In a large mixing bowl add the cooked farro with corn, vinegar, salt, pepper and sugar and stir to combine.
Add in the mixed roasted veggies and combine. Top with sliced avocado if desired.
Serve hot, room temp, or chill for 3 hours and serve cold.