Healthy and delicious chicken salad recipe for a lean and green meal

Ingredients

• 2 boneless, skinless chicken breasts
• 1 tablespoon olive oil
• Salt and pepper to taste
• 4 cups mixed greens
• 1 cup cherry tomatoes, halved
• 1 cucumber, sliced
• ½ red onion, thinly sliced
• ¼ cup feta cheese, crumbled
• For the dressing: 2 tablespoons olive oil, 1 tablespoon balsamic vinegar, 1 teaspoon Dijon mustard, salt and pepper to taste