Optional Preparation of Onion: Place the chopped red onion in a bowl of ice water and let it sit for 10 minutes. Drain and set aside to soften the flavor & take some of the bite out of it,
Cook the Farro: Combine farro, 3 cups water, salt, and the chicken bouillon cube (if using) in a medium saucepan. Bring to a boil over high heat. Reduce to a simmer, cover, and cook for 25–35 minutes, checking for doneness after 25 minutes. The farro should be tender yet chewy, similar to al dente pasta. Drain any excess liquid and toss the farro with a dash of olive oil to prevent sticking. Set aside to cool. Prepare the Dressing: In a medium bowl, whisk together apple cider vinegar, Dijon mustard, olive oil, minced shallots, garlic, salt, and pepper. Set aside.
Assemble the Salad: In a large mixing bowl, combine kale, red onions, feta, cranberries, almonds, and cilantro. Drizzle with the prepared apple cider vinaigrette and toss to coat. Season with additional salt and pepper to taste.
Rest and Serve: For optimal flavor, refrigerate the salad in an airtight container for at least 1 hour before serving.T his salad can be made a day in advance and stored in the refrigerator for up to 5 days.