The first part of the three-part series, which saw the "domestic goddess" preparing dishes that can be frozen until needed, such as suet-free mince pies, pulled in a 14.7% share of the 8.30pm-9pm audience.
'Taggart' won the 9pm-10pm slot drawing 5.9m viewers and a 25.3% share of the audience at that time to ITV1.
Last night's episode saw the Taggart team dredging up ghosts from the 1980s when they were called to a mining village where excavations had uncovered two skeletons with their hands entwined and wearing wedding rings.
BBC One's 'Crimewatch', hosted by Kirsty Young, pulled in 4.6m viewers and a 20.1% share of the 9pm-10pm audience.
The fourth part of Channel 4's documentary series 'Catastrophe', this week focusing on the discovery of a giant crater in Mexico which scientists believe proves that an asteroid the size of Mount Everest slammed into the Earth, netted 1.7m viewers and a 7.2% share of the 9pm-10pm audience. Including Channel 4+1 figures it reached 1.8m viewers.
The final part of BBC Two's 'World War II Behind Closed Doors' documentary series attracted 1.3m viewers and a 5.6% share in the same slot.
It pipped the final part of Five's 'Sex, Drugs and Rock 'n' Roll' documentary series featuring never-before-seen footage of iconic figures from the 1960s, which scored 1m viewers and a 4.1% share.