Chukwuemeka scored for the Blues during a thrilling 4-2 win over Leicester City on Sunday.
The 20-year-old was back in the team after a four-week absence through injury.
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"I enjoyed it," he told BBC Match of the Day of his goal and performance after the game.
"Coach (Pochettino) said 'just go on and do what we know you can do, express yourself', and that is what I did.
"Obviously I've got to thank my boy Cole for the one-two. To be fair before the game he said to me he was going to assist me if I come on, so fair play to him."