Boil your potatoes till soft and ready to be mashed. Preheat your oven to 350F.Mash your potatoes using a hand masher, add you margarine and milk. Then add your cream cheese, dressing and ½ cup of your grated cheese. Set aside the other ½ cup of cheese.Mash everything well till nice and creamy.Spoon your potato into a sprayed 9x13 casserole dish. Top with remaining cheese, bacon crumble and diced green onion.Cover with foil and bake in the oven for 15 minutes, remove foil and continue baking while the cheese melts, about another 5-10 minutes. Cut into 8 servings. Each serving is 6pp... Enjoy! :)