Italian Beef Hotpot

In a large frying pan, melt the butter and brown the minced beef and onion. Add the tomatoes with the liquid, celery, mushrooms, tomato paste, regular and pepper to taste. Cover and cook on low heat for 20 minutes

Stir in water, green and red peppers, and penne, bring to the boil. Pour the mixture into an 8 cup baking dish and sprinkle with the cheese. Cook and bake at the hundred and 80°C for 40 minutes or until the penne is tender