Mexican Chicken and Black Bean Salad

INGREDIENTS

• 2 (4 ounce) frozen skinless, boneless chicken breast halves
• 1 (8 ounce) can low sodium tomato sauce
• 1/4 cup water
• 1 (1 ounce) packet taco seasoning
• 1 (15.5 ounce) can black beans
• 4 cups baby spinach leaves
• 2 tablespoons fat-free sour cream
• 1/2 cup shredded Mexican cheese blend
• 1/2 cup salsa