'Girls, you're from Melbourne ... not Montmartre,' quipped Twitter user Bryce McCarter, referring to the district in Paris.
Meanwhile another viewer noted that despite the theme, they hadn't gone with French wine.
'Pulling out all the stops with the Jacob's Creek foine woine doining' wrote user Ricksta.
He wasn't the only one to compare the duo to characters from Australian comedy series Kath & Kim, with one user saying they were reminded of pretend posh shop keepers Prue and Trude from the show.
'Some serious TV crossover happening here - it seems Prue and Trude are cooking tonight' wrote one.
Francophile Ash had a momentary downfall when the judges asked what their restaurant name Dans La Maison meant in English.
'Doesn't it mean something about our house,' a dumbfounded Ash stumbled. Camilla quickly saved her, explaining: 'Literally translated it means, in the house.'
Others kept their criticism strictly on the food, saying Ash and Camilla should have lost points because they didn't make their own baguette.
Despite a few slip-ups including adding lemon to the steak tartare - Fiedel unsurprisingly said he preferred his own recipe for the traditional French dish - the pair finished up in second place after their seafood stew saved the day.
- Daily Mail