Prepare the dressing. Combine vinegars, maple syrup, salt and pepper. Drizzle in olive oil while whisking. Pour over sliced red onions. Let sit for at least a half hour to let onions marinate.
Combine all salad ingredients. Top with dressing and toss before serving.
Recipe by Between Carpools at https://betweencarpools.com/another-winner-salad-crunchy-nutty-farro-salad/