Balsamic Chicken Breasts with Porcini Mushrooms

Ingredients (11)

• ✓ 4 boneless chicken breasts, split and patted dry
• + salt and freshly ground black pepper to taste add to pantry
• + salt and freshly ground black pepper to taste add to pantry
• + 2 tablespoons all-purpose flour add to pantry
• + 2 tablespoons olive oil add to pantry
• + 3 yellow onions, diced add to pantry
• + 3 cloves garlic, minced add to pantry
• + 8 ounces fresh porcini mushrooms, sliced add to pantry
• + ¾ cup chicken broth add to pantry
• + ¼ cup balsamic vinegar add to pantry
• + 3 tablespoons white wine add to pantry