Downlow Burgers - Manukau is a smash burger restaurant at 4/792 Great South Road in Manukau City Centre, Auckland, rated 3.8 on Google from 33 reviews. Reviews praise the shakes and onion rings, though some find the patties dry, and a few orders have arrived incomplete.
The website names smashed burgers, fried chicken, thickshakes and epic sides, and the brand has sites in several New Zealand cities. Reviews are mixed on the patties, so a recent visit is a fair test. Orders placed through a delivery app can arrive in a different state from food eaten in store, so check the bag before you leave.
For people in Manukau who want a smash burger, a thick shake or onion rings close to home, this shop on Great South Road is worth a try, with the order checked before leaving.