Pierre-Emerick Aubameyang scored twice and the returning Alex Lacazette was also on target as we secured our fourth win on the bounce to beat Stoke City.
In truth, we were not at our very best but after upping the pressure in the second half we made the breakthrough when the Gabon striker held his nerve from the spot after Mesut Ozil had gone down in the area.
Aubameyang – who had now scored for his third match in succession – then pounced on a loose ball in the area to grab our second, before Alex Lacazette scored the third from the spot to wrap up an ultimately comfortable win.
During a low-key opening period, the visitors were the quickest to settle and posed an immediate threat as Xherdan Shaqiri curled a shot inches wide from the edge of the area.
Aaron Ramsey saw a shot graze the crossbar after a scramble in the area, before having a goalbound shot blocked by Eric Pieters a few minutes later.
They were the only real pockets of excitement in the first half, but there was more bite to our game after the restart, with Ramsey’s sharp pass setting up a chance for Welbeck, but the forward sent a half-volley just wide.
Suddenly the game came to life and Mohamed Elneny tried his luck after meeting Bellerin’s cutback but his shot was saved, before Nacho Monreal tested Jack Butland with a firm drive on the follow-up.
Stoke remained a threat themselves, and came perilously close to taking the lead when Shaqiri’s inswinging corner hit the far…