1. Preheat the oven to 425°F.2. On a baking sheet, toss together the sweet potatoes, butter or olive oil, cayenne, paprika, onion powder, garlic powder, salt, and pepper. Roast for 20 minutes, until the sweet potatoes are tender with crisp, charred edges. Add the broccoli and roast another 5 minutes, until just tender.3. To make the dressing. Combine all ingredients with 1/4 cup of hot water in a blender. Blend until smooth, adding additional water to thin as needed. Season with chili flakes to taste.4. Assemble the salad. Add the lettuce, kale, parsley, and cilantro to a large bowl. Pour over the dressing and toss well. Add the sweet potatoes and broccoli. Finish with avocado, feta, and pomegranate arils. Serve warm or at room temperature.