White Wine Mushroom Chicken Thighs

Name: White Wine Mushroom Chicken Thighs
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: American
Ingredients: 2 pounds chicken thighs (bone-in skin-on) (see note); Salt & pepper (to taste); 1/2 teaspoon garlic powder; Flour (for dredging); 1 tablespoon olive oil; 2 tablespoons butter; 8 ounces cremini mushrooms (sliced); 1/2 medium onion (chopped); 1/4 teaspoon Italian seasoning; 3 cloves garlic (minced); 1/2 teaspoon Dijon mustard; 3/4 cup dry white wine; 1/4 cup chicken broth; Fresh parsley (chopped, to taste)