The former Preston man claimed his seventh goal in eight games against Ipswich before laying on a second for David Cotterill as Pompey took three fine Championship points.
Ipswich boss Paul Jewell has ignited the club's season since replacing Roy Keane but will be dumbfounded after Steve Cotterill's men took the win.
The hosts dominated the first hour but were made to pay the price for a catalogue of missed chances with teenage prospect Connor Wickham particularly wasteful.
Source: PA
Source: PA