Recipe: Easy 30-Minute Chicken Cacciatore

Name: Recipe: Easy 30-Minute Chicken Cacciatore
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: European, Italian
Ingredients: 4 boneless, skinless chicken breasts (about 2 pounds total), pounded to 1/2-inch thick; 2 tablespoons olive oil, divided; 1/2 medium yellow onion, thinly sliced; 8 ounces cremini mushrooms, trimmed and sliced (about 2 1/2 cups); 1 medium red bell pepper, stemmed, seeded, and thinly sliced; 3 cloves garlic, minced; 1 tablespoon chopped fresh rosemary leaves; 1/2 teaspoon kosher salt, plus more for seasoning; 1/4 teaspoon freshly ground black pepper, plus more for seasoning; 1 (14.5-ounce) can diced tomatoes; 1/2 cup dry white wine; 2 tablespoons chopped fresh parsley leaves; Cooked pasta or creamy polenta, for serving (optional)