The forward won and converted an early spot kick to make it three consecutive victories for Mark Hughes' side in the Premier League.
An early penalty from Bojan Krkic proved decisive as Stoke City defeated Swansea City 1-0 in the Premier League at the Liberty Stadium on Monday.
The Spanish forward won the spot kick himself and impressively converted for what proved to be the only goal in a game of few chances.
Jonjo Shelvey came inches away from equalizing in the second half, but saw his drive from a tight angle rebound out to safety off the inside of Jack Butland's left-hand post.