Baked Chicken Thighs

Name: Baked Chicken Thighs
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American, Italian
Ingredients: 2 1/4 pounds bone-in, skin-on chicken thighs (about 4); 3 garlic cloves (minced, about 1 tablespoon); 3 tablespoons extra-virgin olive oil (divided); 1 tablespoon paprika; 2 teaspoons Italian seasoning; 1 small lemon (zest and juice); 1 1/2 teaspoons kosher salt (divided); 1/2 teaspoon ground black pepper (divided); 1 yellow onion (halved and thinly sliced lengthwise); Chopped fresh parsley or tarragon or thyme (plus additional for serving)