Greg James, Fern Brady, Spice Girl Mel B and Dermot O'Leary take on iced buns and a family classic, before creating their celebrity doppelganger in biscuit form.
| Name | Type | Role | |
|---|---|---|---|
| Greg James | Guest Star | ||
| Fern Brady | Guest Star | ||
| Mel B | Guest Star | ||
| Dermot O'Leary | Guest Star |