Best One-Pan Chicken & Gnocchi Recipe

Ingredients

• 1 1/2 lb. boneless skinless chicken breasts
• Kosher salt
• Freshly ground black pepper
• 2 tbsp. extra-virgin olive oil, divided
• 1 small shallot, diced
• 8 oz. baby bella mushrooms, sliced 
• 2 cloves garlic, minced
• 2 tsp. fresh thyme leaves
• 1 tsp. dried oregano
• 1 c. low-sodium chicken broth 
• 1 1/4 c. half and half
• Pinch crushed red pepper flakes
• 1 (17-oz.) package gnocchi
• 3/4 c. shredded mozzarella
• 1/2 c. freshly grated Parmesan
• 3 c. packed baby spinach