Robert Lewandowski struck a hat-trick, while Kingsley Coman added a brace and Arturo Vidal, David Alaba and Arjen Robben also netted as Bayern retained a five-point lead towards the top of the Bundesliga.
Muller, meanwhile, has scored only one league goal this season, but Ancelotti was quick to praise the 27-year-old right after a marvellous win.
Muller meanwhile claimed he was merely delighted to contribute.
"It was really fun," he added. "At some points, the performance took good care of itself.
Bayern are back action in your house to Schalke in the DFB-Pokal on Wednesday.

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