West Ham enhanced their reputation as one of this season's great entertainers by turning on the goal-scoring style at Upton Park to book a place in Monday's FA Cup fifth round draw.

The Barclays Premiership honours were shared this season but the two games - a 3-1 win for West Ham and a 3-2 home victory for Blackburn - produced nine goals. And they were not in short supply today either.

West Ham were forced to hit back from a goal down after David Bentley had put Blackburn ahead inside 28 seconds.

But Teddy Sheringham's cheeky penalty and Matthew Etherington's second goal of the season earned West Ham the lead at half-time.

Zurab Khizanishvili's own goal extended that advantage and although Lucas Neill pulled one back for Blackburn, Bobby Zamora sealed West Ham's passage with his first goal at Upton Park this season.

West Ham still have new £7million striker Dean Ashton waiting in the wings - his debut was put on hold as he recovers from a groin injury - but Alan Pardew enjoyed the luxury of rotating his strikeforce.

Sheringham started his first game since November as Marlon Harewood was rested, while Mark Hughes was down to the bare bones with Craig Bellamy and Paul Dickov both out.

But Blackburn began with more urgency and were sharper in the tackle and quicker to the loose ball as they started strongly.

Steven Reid cut in from the right to reach the edge of West Ham's box unchallenged, before slipping the ball out to Shefki Kuqi. His cross found makeshift second striker Bentley, unmarked just a yard from goal, and he found the net.

Reid then blasted over before Christian Dailly was booked for a cynical late challenge on the Irish international. Andy Todd then forced Shaka Hislop into a smart save with a header from Robbie Savage's curling cross.

But despite still being outfought in the centre of midfield, West Ham were beginning to enjoy some success down the flanks and slowly worked their way back into the game.

Just before the half hour West Ham enjoyed a good shout for a penalty. Benayoun carved his way into the box and his cross appeared to be blocked by the arm of Khizanishvili, but referee Martin Atkinson waved away the protests and awarded only a corner.

Three minutes later West Ham had their spot-kick - and their equaliser. Zamora appeared to have been held back by Khizanishvili in a scramble to latch onto Benayoun's header.

Sheringham stepped up and applied the cheekiest of chips to beat Brad Friedel, who was left clawing at the air as the ball floated into the net.

West Ham had stolen the momentum and five minutes later marched into the lead.

Zamora could have tried his luck from 20 yards after working space on the edge of the Blackburn box, but he poked a neat ball wide for Etherington, who calmly slotted the ball past Friedel.

Etherington's only previous goal this season came in West Ham's opening day victory over Blackburn. Pardew's men came back from 1-0 down on that day too.

Zamora wasted a glorious chance immediately after the interval but West Ham soon worked an excellent third.

Sheringham fed Konchesky down the left and the England full-back drove a low cross into the six-yard area, where Khizanishvili could only turn the ball into his own net to put West Ham 3-1 up.

Blackburn hauled themselves back into the game on the hour mark, when Lucas Neill played a neat one-two with Morten Gamst Pedersen before curling a delightful shot past Hislop.

Sheringham departed soon afterwards with the Upton Park crowd singing his name, and he replaced for the last 19 minutes by Harewood.

Pardew's change reaped immediate dividends. Harewood's powerful drive was blocked by Friedel but the ball fell for Zamora to score his ninth goal of the season, and his first at Upton Park.