Burnley
On The Bench
Blackpool
On The Bench
Paterson, a £1.3million summer signing from Scunthorpe, cut inside from the right flank and curled a delightful low shot into the far corner from 20 yards to open the scoring on the hour mark.
Alexander added a second from the penalty spot with 15 minutes remaining to add to his double in Saturday's 2-1 win at Nottingham Forest.
Victory was no more than Burnley deserved, such was their dominance throughout against a Blackpool outfit who lined up in a 4-5-1 formation and created next to nothing.
Simon Grayson's men arrived at Turf Moor on the back of successive 1-0 victories against Southampton and Barnsley but they were second best throughout in this derby encounter.
Paterson's strike - his sixth of the season but only second in the league - ended the visitors' spirited resistance and Alexander's expertly-taken spot-kick sealed Burnley's first home win of the season.
Burnley winger Wade Elliott, who was a constant menace down the right flank, whipped in a teasing low cross which found Steve Thompson unmarked 14 yards from goal inside the opening minute.
The recent free transfer signing from Cardiff swivelled to blaze a shot wildly over the crossbar but the frenetic opening continued apace even though genuine goalscoring opportunities were scarce.
In the 18th minute, Blackpool midfielder Gary Taylor-Fletcher caught Alexander in the face with a flailing boot just 20 yards from goal.
From the resulting free-kick, Chris McCann struck a vicious left-footed effort which drew a parried save from visiting goalkeeper Paul Rachubka.
The Seasiders then enjoyed a lucky escape two minutes later when defender Ian Evatt appeared to handle the ball as he desperately slid on the ground to challenge Elliott.
Blackpool orchestrated their first meaningful attack in the 22nd minute when on-loan Liverpool winger Adam Hammill showed delightful footwork to evade the challenges of two Burnley defenders and reach the left-hand byline.
His deflected cross flew straight into the arms of Clarets goalkeeper Brian Jensen and the pendulum soon swung back towards the hosts.
Russell Anderson had a low shot deflected out for a corner and Alexander engineered the space to fire over from 20 yards before former Blackpool defender Clarke Carlisle headed an Elliott corner straight at Rachubka.
Burnley continued to dominate after the break and were finally rewarded when Paterson struck in spectacular fashion.
The Northern Ireland international collected possession on the right flank and cut inside, creating the space to advance forward and strike a superb low left-foot shot past Rachubka's despairing dive and into the bottom left-hand corner.
Blackpool offered nothing in response and the game was well and truly up in the 75th minute when Evatt fouled Steven Caldwell and Alexander fired home from the penalty spot to give Rachubka no chance.