Created by ImPat on October 31, 2016
Step 1: Preheat oven to 200C/180C fan forced.
Step 2: Grease a 3 litre (12 cup) square ovenproof dish.
Step 3: Cook pasta in a large saucepan of boiling salted water for 10 minutes or until tender, adding peas and corn mixture in last minute of cooking and drain.
Step 4: Meanwhile heat oil in a large frying pan over high heat and cook and stir sausage for 3 minutes or until browned and then add onion, cook and stir for 2 minutes or until soft.
Step 5: Add half the béchamel sauce, tasty cheese, mozzarella, fetta and sausage mixture to the pasta mixture and mix well to combine and spoon into prepared dish and level surface.
Step 6: Top pasta mixture with remaining béchamel sauce and level surface.
Step 7: Sprinkle with olives, extra cheddar cheese, extra mozzarella and extra fetta and bake for 30 minutes or until bubbling and golden brown.
Step 8: Sprinkle with parsley and serve.