Sweet Potato, Apple and Quinoa Salad

Name: Sweet Potato, Apple and Quinoa Salad
Cuisine: American
Ingredients: 1/2 cup olive oil, divided; 1 1/2 cups quinoa; Salt and freshly ground pepper; 1 1/2 pounds sweet potatoes, peeled and cut into 3/4-inch dice; 1/4 cup apple cider vinegar; 2 large Granny Smith apples cut into 1/2-inch dice; 1/2 cup flat leaf parsley, chopped; 1/2 medium red onion, thinly sliced; 8 cups packed baby greens such as arugula or kale or a combination of both