Baked Chicken Cacciatore

Ingredients (14)

• + nonstick cooking spray add to pantry
• + ¼ cup all-purpose flour add to pantry
• + ½ teaspoon salt, divided add to pantry
• + ¼ teaspoon ground black pepper add to pantry
• + ¼ teaspoon garlic powder add to pantry
• + 6 (4 ounce) skinless, bone-in chicken thighs add to pantry
• + 2 tablespoons olive oil, or more as needed add to pantry
• + 2 small onions, chopped add to pantry
• + 2 cloves garlic, minced, or more to taste add to pantry
• + 1 (8 ounce) package sliced fresh mushrooms add to pantry
• + ½ cup red wine, or more as needed add to pantry
• + 1 (14.5 ounce) can stewed tomatoes with juice add to pantry
• + 1 (8 ounce) can tomato sauce add to pantry
• ✓ aluminum foil