Bake Off 2025 Channel 4 Winner. The great british bake off series 15 will air tonight, tuesday 24 september 2025 at 8pm bst, on channel 4. In tuesday’s night’s episode of the great british bake off on channel 4, gill was named star baker and andy was the fifth baker to leave the 15th series.

When is bake off coming back? Gbbo 2025 brings you a whole new lineup of contestants, hosts and judges.