Nigel Adkins' men ended a four-match winless run with a 1-0 triumph at Watford last weekend, and backed that up with an emphatic home victory.
Adam Le Fondre took centre stage in the first half with a hat-trick inside 33 minutes, before Pavel Pogrebnyak added a fourth before the break from the penalty spot.
Further goals from Kaspars Gorkss, Hope Akpan and Nick Blackman left the home fans in dreamland, before David N'Gog grabbed a late consolation for the visitors.
Bolton's fourth match without a win leaves Dougie Freedman's men in 18th.
Leicester City racked up a sixth straight league win to move six points clear of third-placed Burnley as David Nugent's dramatic 88th-minute winner earned a 1-0 success over Leeds United.
Nigel Pearson's charges had survived several scares including Ross McCormack hitting the post in the first half, but Leeds have now gone six Championship games without a win, including four straight losses.
Burnley were held to a 1-1 draw by Sheffield Wednesday at Turf Moor as Chris Maguire quickly cancelled out Sam Vokes' 44th-minute opener.
Sean Dyche's men have now been leapfrogged by QPR, who defeated Huddersfield Town 2-1. A Charlie Austin brace sandwiched Nahki Wells' second goal in as many games.
Danny Wilson secured his first win in his second stint as Barnsley manage as a quick-fire double from Chris O'Grady - the first of which came from the penalty spot - secured a 2-0 win over a Blackpool side who have now lost eight of their last nine games.
Nottingham Forest completed a comprehensive 4-1 rout of fellow promotion hopefuls Blackburn Rovers. Henri Lansbury netted twice from the penalty spot and, though Ben Marshall pulled a goal back before half-time, the win was complete with second-half goals from Jamie Paterson and Andy Reid.
Elsewhere, Derby County continued their promotion push as Patrick Bamford's deflected effort earned a 1-0 victory over Brighton and Hove Albion, while Bournemouth played out a 1-1 draw with Watford.
