The winger cut in from the right before unleashing an unstoppable drive from 25 yards into the far corner.
It's the second time Erik has won Goal of the Month this season following his 'rabona' strike against Asteras Tripolis in October.
Erik picked up 47.1% of votes cast on Twitter, Facebook and here on tottenhamhotspur.com.
Nathan Oduwa's curler in our Under-21s' 2-0 win at Fulham was second with 18.1% with Christian Eriksen's winner at Swansea third with 13.7.
DECEMBER GOAL OF THE MONTH - FULL RESULT
Erik Lamela v Burnley – 47.1
Nathan Oduwa v Fulham U21s – 18.1
Christian Eriksen v Swansea – 13.7
Christian Eriksen v Leicester – 12.8
Nacer Chadli v Newcastle – 8.3
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