Burton produced a stunning performance in the final eight of the Carabao Cup with a 3-2 win over championship promotion chasers Nottingham Forest.
Saidy Janko set Nigel Clough's men on their way to a famous victory.
Fraser blasted home their second on 64 minutes before replacing Lewis Grabban pulled one back.
Jake Hesketh's superb volley restored Albion's two-goal lead with substitution Arvin Appiah set to finish the second attempt in stoppage time.
Aston Villa Burnley is out of the competition in the previous rounds.
Forest, who made 10 changes from the championship game at Leeds at the weekend, were unable to find any real fluency and Albion were deserving winners on the night.
Northern Ireland international Liam Boyce was guilty of squandering Luke Steele the busier of the two goalkeepers in the opening 45 minutes.
Steele had already left the Burton left on the Burton left but Boyce had left the spot for 30 minutes.
Liam Bridcutt sent Jamie Allen tumbling inside the box as the midfielder looking to latch onto a low cross from Southampton loanee Hesketh. This time Steele did not need to make a save as Boyce blazed his spot kick over the bar.
Swift breaks from midfield as their pressing forced Albion to surrender possession.
Diagono Goncalves went short with a low show that forced former Reds trainee Dimitar Evtimov to drop down to his left to smother.
The second helped a more open affair, Portuguese midfielder Gil Dias racing into the Burton box just after the break only for Evtimov to deny him.
Alberto in front, with the goal credited as Janko own goal after Fraser's effort reflected off his back and looped beyond Steele.
Burton had the quarter-finals in their sights when Fraser then burst into the box to smash.
GrabBan's ninth of the season after another day's run out of Dias halved the deficit with 20 minutes to go, although Steele later needed to make a good save to shovel Fraser's low shot around the post.
Appiah's finish at the second attempt had the Pirelli stage on edge but Albion saw it through to make another history-making result.
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