The 18-year-old returned from the second anterior cruciate ligament injury of her career to send Liverpool to the Adobe Women's FA Cup semi-finals.
Shaw stepped off the bench in extra-time – her first appearance for the Reds senior team in 414 days – to net the only goal of the last-eight tie at The Valley in the 115th minute.
"I don't know what to say if I'm honest!" she told TNT Sports afterwards. "For those who have been close to me over the past few seasons, it's been really, really tough.
"I've gone through things that I didn't think I'd ever have to go through not once but twice. Just thank you to all the girls.
"They put a shift in, by the way, today – Mia [Enderby] walking off with cramp and me having to go on with nothing in my head.
"I'm all over the place right now! Credit to the girls. We couldn't have done it without them and they put a big shift in."