01 - Preheat the oven to 425°F.
02 - In a bowl, toss the sweet potato, butternut squash, and red onion with 2 tablespoons olive oil, salt, pepper, and dried thyme or rosemary. Spread evenly on a baking sheet.
03 - Roast the vegetables for 25 to 30 minutes, stirring halfway through, until they are tender and golden.
04 - Rinse farro under cold water. Combine farro, water or vegetable broth, and 1/2 teaspoon salt in a saucepan. Bring to a boil, reduce heat to simmer uncovered for 25 to 30 minutes until farro is tender. Drain any excess liquid.
05 - In a small bowl, whisk together extra virgin olive oil, apple cider vinegar, maple syrup or honey, Dijon mustard, salt, and pepper until well emulsified.
06 - In a large bowl, combine cooked farro, roasted vegetables, baby kale or spinach, dried cranberries or cherries, toasted pumpkin seeds, and crumbled feta cheese. Pour the vinaigrette over the mixture and toss gently to combine.
07 - Serve the salad warm or at room temperature.