Morata found the back of the net in the 3-0 victory on Friday evening.
He later said: "Very beautiful, I'm very happy. They think that the assist wasn't from Theo, because he doesn't look for me much (laughs). We must continue on this path.
"I don't know how to spell it either.
"I always make myself available, I'm very happy to be here and after a complicated start we're on the right track."