Creamed Spinach Chicken

Name: Creamed Spinach Chicken
Prep time: 10 min
Total time: 10 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 tbsp. extra-virgin olive oil, divided; 4 (6- to 8-oz.) boneless, skinless chicken breasts; 2 tsp. paprika; Kosher salt; Freshly ground black pepper; 1 medium yellow onion, finely chopped; 2 garlic cloves, minced; 10 oz. baby spinach; 1 c. heavy cream; 3/4 c. low-sodium chicken broth; 4 oz. mozzarella, shredded (about 1 cup); 1 oz. Parmesan, finely grated (about 1/2 cup); Crusty bread, for serving (optional)