Sandi Toksvig leaves The Great British Bake Off after three years.
In A statement, the presenter said she was leaving to concentrate on other work commitments.
“As my remedy will testify, Bake Off is a complex display, ” did Toksvig tweeted.
“Bake Off is a wonderful program that has proven to be happy to withstand a change of host personnel,” she added.
Toksvig and Noel Fielding originally took over the presentation of duties when the programme moved to Channel 4.
For that the show was broadcast on the BBC and by Mel Foundroyc and Sue Perkins, known as Mel and Sue, was served.
Toksvig still appears in the next range The Great Celebrity Bake Off for Stand Up To Cancer, which is broadcast in spring.
Ian Katz, programme director of Channel 4, said: “We are immensely grateful for Sandi’s contribution to the programme. We will miss her warmth and expertise, not to mention her endless willingness to be a joke about the least person. The tent of Bake Off. “
He added that the channel developed other shows in Toksvig, “which does not involve cake”.
Prue Leith, Judge of the Bake Off, was getwiet: “I loved to work with Sandi, she was a wonderful host and much pleasure, and I’m awe about how hard she works with so many projects. We will be lifelong friends far beyond the tent. “
Leith joined the show in the same year as Toksvig and Fielding, and only Paul Hollywood remained from the previous BBC series.