Place zucchini, capsicum, onion and garlic on a large baking tray. Sprinkle with chilli powder, drizzle with oil, toss well then spread over tray. Bake in preheated 200 °C oven (fan-forced) for 20 minutes or until vegetables are tender. Cool.
Meanwhile, lightly spray a 20 cm round springform pan with oil. Cut mountain bread wraps in half lengthways. Line prepared pan with bread pieces to cover base and extend up side of prepared pan.
Whisk eggs in a large bowl. Stir in beans, ricotta, roasted vegetables, coriander and ¼ cup tasty cheese. Transfer mixture to bread-lined pan. Sprinkle with remaining cheese and pepitas. Bake in preheated 180 °C oven (fan-forced) for about 45 minutes or until set in centre. Stand in pan for 15 minutes.
Remove sides from pan. Transfer pie to a serving plate. Serve with salad leaves.