One-Pan Lemon Parm Chicken Gnocchi

Name: One-Pan Lemon Parm Chicken Gnocchi
Prep time: 15 min
Total time: 15 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 tbsp. extra-virgin olive oil; 1 1/2 lb. skinless, boneless chicken breasts; Kosher salt; Freshly ground black pepper; 1 small yellow onion, chopped; 4 cloves garlic, minced; 1/3 c. dry white wine; 1 1/4 c. low-sodium chicken broth; 1 c. heavy cream; Zest and juice of 1 large lemon; 1 tbsp. chopped fresh rosemary; 1 tbsp. fresh thyme leaves; Pinch of red pepper flakes; 1 (17-oz.) package refrigerated gnocchi; 4 c. packed baby spinach; 2 oz. Parmesan, finely grated (about 3/4 c.); Lemon slices, for serving (optional)