mashed potato baddie

A girl whose sole occupation consists of expertly mashing spuds day in and day out, turning the humble tuber into a work of culinary art!

Chef 1: "Who's on the mashed potato baddie duty tonight?"
Chef 2: "I did it yesterday, so it's your turn today!"
Chef 1: "Fair enough, I'll be the mashed potato baddie today and whip up a batch that'll have everyone begging for seconds."