Heat oil in large non-stick skillet and cook onion until tender. Stir in garlic and chicken. Cook chicken until golden brown. Stir in the balsamic vinegar and let simmer for 1 minutes. Stir in honey and Dijon and toss to coat. Add pine nuts and season with salt and pepper. Top mixed greens with chicken mixture and fresh grated Parmesan.
Recipe Courtesy of Food Network Kitchens