Every Friday, Ross Harrington, a car dealership service manager in Melbourne, heads to a local lunch shop to pick up a couple of deep-fried dim sims, kicking off his weekend dim sim routine.

All Australians of a certain age absolutely love the Slow Cooker. It is the pinnacle of kitchen achievement, to them. Once one appears in the house, there is no limit to what they will throw in there.

Piping hot and drizzled with soy sauce or loaded with toppings, crunchy and golden from the fryer — here are the region’s tastiest dimmies. The Chinese Australian creation was invented in the 1940s by ...