By Arielle Shipper Sep. 9, 2014 | Updated Sep. 9, 2014 at 5:14 pm Mashed avocado on multi-grain toast–avocado toast–is more than the sum of its parts. Photo: Annaliese Griffin Blame it on the Aussies. Thanks to a special E3 visa, Australian professionals have been arriving in droves, and bringing with them a demand for Down Under café culture. The hallmarks of these cafés? Top-notch coffee and a small-yet-satisfying “brekkie” menu, including an Aussie staple: avocado toast.