'These are quick tricky, aren’t they?' he said while attempting to use a pair of chopsticks. 'They’re quite slippery.'
The children, and William, attempted to move food from one bowl to another.
'Have you guys eaten much Chinese food?' he asked the children.
Quickly realising his mistake, William corrected himself: 'Sorry, Japanese food?'
'Have you had much Japanese food? No? Not too much. Do you like sushi? It’s delicious, it really is yummy.'
Unfortunately for him, the awkward moment was captured on camera and quickly began doing the rounds on social media.
It seems even royals aren't immune from making the odd blunder!