The Swedish attacker stole the City Ground spotlight to steer Ange Postecoglou's men to back-to-back top-flight victories, firstly crossing for Richarlison to head home inside first-half stoppage time.
Twenty minutes after the restart, Kulusevski then made the most of a Matt Turner howler, lashing home at the American's near post after his poor attempt at a clearance, as he played the ball straight to the Scandinavian under pressure from Son Heung-min.
Prior to Friday's triumph, Kulusevski had also scored and set up another in Tottenham's pulsating 3-3 draw against Manchester City at the Etihad, teeing up Son before salvaging a point for Spurs in the 90th minute.
In doing so, the former Juventus man became just the fourth Tottenham player to register a goal and assist in successive Premier League away games, joining Son, Harry Kane and Dimitar Berbatov in that exclusive club.
Once again, Kulusevski was deployed as Spurs' number 10 at the City Ground in place of the injured James Maddison and Giovani Lo Celso, as Brennan Johnson and Son supported Richarlison from the wings.
However, Johnson was then forced off with a head injury after just 32 minutes, forcing Postecoglou to revert Kulusevski to a central role as Oliver Skipp came on to replace the bloodied Johnson.
The mid-game position change had little impact on Kulusevski's threat level, though, as the 23-year-old created two big chances, completed 93% of his passes and also saw all three of his long balls reach their intended target.
Postecoglou was unsurprisingly full of praise for Kulusevski after the
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