Preheat oven to 450 degrees and roast sweet potatoes with olive oil, salt, and pepper for 20 minutes.
While sweet potatoes are baking, grill chicken, slice and set aside.
Assemble salad: In a medium sized bowl, mix together kale and mixed greens. Add roasted sweet potatoes and grilled chicken. Top with 1-2 tbsp of cooked lentils, apple slices, pomegrante seeds, roasted pepitas, dried cranberries, and goat cheese crumbles.