Lemon Chicken

Name: Lemon Chicken
Prep time: 5 min
Cook time: 18 min
Total time: 23 min
Cuisine: American
Ingredients: 20 ounces boneless skinless chicken breasts (halved through the middle if large); 1 teaspoon fine sea salt (plus more to taste); 1/2 teaspoon ground black pepper (plus more to taste); 1/3 cup all-purpose flour; 2 tablespoons olive oil; 2 tablespoons unsalted butter (divided); 1 shallot (chopped); 1/4 cup lemon juice; 1/4 cup chicken broth; 1 lemon (sliced); Chopped fresh parsley (for garnish)