Combine butter, lemon juice, and Italian seasoning. In a small ramekin, combine paprika, garlic powder, salt and pepper.
Pat chicken thighs dry. Lightly season bottom side of thighs with seasoning. Add to baking dish. Coat thighs with the butter/lemon mixture (spread with a butter knife).
Add seasoning generously over chicken thighs.
Bake 35-45 minutes or until tops of thighs are golden crispy.
Garnish with lemon slices and green onion, optional.