Original sentence: He currently co-hosts Bake Off: The Professionals with former contestant from The Great British Bake Off Liam Charles, and joined the 2018 series of The Great British Bake Off: An Extra Slice as a regular contributor
Edited sentence: He currently co-hosts Bake Off: The Professionals with former contestant from The Great British Bake Off Liam Charles, and joined the 2018 series of The Great British Bake Off: An Extra Slice as a regular contributor, providing irreverent padding to an extended format