Spinach Power Salad with Mandarin Vinaigrette - Click 'N Cook

Ingredients

• 1 3-ounce container mandarin oranges, juice and fruit separated
• 2 tablespoons apple cider vinegar
• 1/4 cup olive oil
• 1 small onion, chopped
• 1 tablespoon spicy brown mustard
• 1 tablespoon yellow mustard
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 8 ounces chicken breast, boneless and skinless
• 5 ounces baby spinach
• 1 carrot, peeled and shredded
• 24 red grapes
• 1 1/2 ounces walnuts, chopped