Steps
1. In a small bowl, whisk together balsamic vinegar, honey, salt, and pepper. Marinate the chicken breast in the mixture for 30 minutes.
2. Heat olive oil in a skillet over medium-high heat. Cook the chicken until golden brown and cooked through.
3. In a large bowl, toss together grapes, feta cheese, and mixed greens. Drizzle with balsamic vinaigrette.
4. Serve the chicken alongside the grape salad.