Chatswood might be rich in delicious food pickings, but it isn’t exactly a hotbed for hatted chefs flexing their repertoire with new cuisines and spin-off restaurant concepts. However, the opening this week of Joie, a French brasserie led by Jung-Su Chang from Korean fine diner Allta in Surry Hills – awarded two hats in the Good Food Guide – is a promising momentum shift for the northern Sydney suburb.