Would you like fries with that?
That golden 'M' one of the biggest brands across the globe and if you're like us, you'll have often wondered what really goes on behind the scenes?
Well Brendan O'Laughlin is a former member of staff with the fast-food juggernaut and he was today's star of Dermot and Dave's #AskMeAnything
Check out the fun in full by pressing the play button on screen.
