Kim and Suong became the first team to make it through to the My Kitchen Rules final on Wednesday, while Italian brothers Nic and Josh got booted out.
And the decisive episode pulled in plenty of fans for Channel Seven, with 1.221 million metro viewers tuning in to watch the Melbourne mums inch one step closer to the $250,000 prize money.
The competitive cooking show was the most popular program on TV on Wednesday, according to figures from OzTAM.
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Mothers vs brothers! Vietnamese friends Kim and Suong beat Italian stallions Nic and Josh to the My Kitchen Rules semi-final on Wednesday - drawing in 1.2 million metro viewers
Channel Nine's Young Sheldon attracted 737,000 metro viewers while Ten's Meghan Markle documentary, An American Princess, failed to rank in the top 20.