The 27-year-old Cameroon international ripped a 30-yard thunderbolt past the helpless Tim Howard - an even more spectacular strike than his first goal against Liverpool back in 2009.
"It's my second accident in three years!" joked Assou-Ekotto. "Before I scored my first goal, I was worried about it.
"Before the first goal I thought 'maybe, if I score only score one goal in my career, it won't be enough to show to my son or my daughter later'.
"Now I have two, so I'm happier. It was a very important game and I'm happy for the team and for myself."
The victory moves Tottenham level on points with second-placed Manchester United, just three adrift of the Barclays Premier League summit.
Reflecting on the moment Assou-Ekotto confirmed the three points for Harry Redknapp's side, the full-back recalled: "I looked to my right and I couldn't pass the ball. On my left, there were also problems.
"As a defender, it's better to lose the ball far away from our goal, but they could also counter-attack, so I thought I'd try and I scored. If you don't try, you will never score."
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