Warm Spinach, Navy Bean and Grilled Chicken Salad with Balsamic Vinaigrette

Ingredients

• 4 boneless, skinless chicken breast(s)
• 4 tbsp balsamic vinegar
• 2 tbsp Dijon mustard
• 3 cups baby spinach, rinsed and patted dry
• 1 can navy beans, drained and rinsed
• 1/2 cup walnuts
• 1 red onion(s), medium, thinly sliced
• 1/2 yellow pepper(s), thinly sliced
• 2 cloves garlic, minced
• 2 tbsp balsamic vinegar
• 2 tbsp maple syrup
• 4 tbsp lemon juice, fresh
• 1 tsp sea salt
• 1/2 tsp cayenne pepper
• 1/4 cup olive oil