This format repeated for the following two comeback kitchens, with newly eliminated teams from the Top 7 and Top 6 sent directly to the challenge after leaving headquarters.
Eventually there was one winner, who won the chance to return to the main competition.
"At the end of the day, as Kurt Cobain said, ' I'd rather be hated for who I am than loved for who I am not' — that's the quote I live by." Relive some of the pair's many quarrels and bitchy moments in the clips below.
At the end of the first instant restaurant round, competitive mother-daughter team Gina and Anna from Canberra were eliminated after everything went wrong on the night they had to cook, and mates Matt and Rob (cousin of the Hemsworth brothers) left the competition at the conclusion of last night's episode.
The top scoring team of the whole show so far is NSW's Robert and Lynzey, while married couple Carol and Adam topped the leader board of their round.
At the end of this week, only four teams will remain.
There was no People's Choice or rapid cook-off, instead winners from the offsite Food Truck challenge were given advantages for the finals deciders, rather than being safe from elimination.
Click through to see this year's batch of MKR contestants as well as fun facts about them.