Place pecans onto paper-lined baking tray and drizzle with honey. Place into cold oven set to 200ºC and cook for 8 minutes or until nuts are toasted and honey has caramelised. Sprinkle with a little salt whilst still hot. Set aside.
Reduce oven temperature to 180°C and line a large flat baking tray with paper.
Prepare beetroot, and onion by peeling and cutting into thin wedges. Place onto prepared baking sheet and sprinkle with sugar, salt and olive oil.
Prepare pears by coring and cutting into wedges. Place onto tray with beetroot. Roast 25-30 minutes, tossing gently half way through to coat contents well.
Arrange greens on serving platter, top with roasted beetroot, onions and pears, pecans and Brie.
Drizzle with Balsamic Dressing and serve immediately. Serves 8 - 10.