Starting in midfield, Watson provided a wonderful assist for her Scotland teammate Kirsty Howat on 12 minutes.
Howat notched her third of the season with a dinked effort over the goalkeeper, after being put through by a pinpoint Watson pass.
She came in first with 29.3% of the vote, marking her first Player of the Match award in Palace colours.
Goalscorer Howat was in second place with 20.0%, whilst Abbie Larkin rounded out the top three with 16.7% of the vote.
View the result in the poll below!