A super side dish for all the family to enjoy.British school dinners inspired, this cheese and mashed potato pie is the answer all kids want to hear when asking 'What's for dinner tonight?'Potatoes mashed with cheese, oven-baked in a casserole dish topped with more cheese, and your choice of onion, tomatoes, or breadcrumbs.Perfect served with sausages, chicken, and vegetables, or as part of a roast dinner.Try adding chopped bacon and onion in with the mash to serve as a cheap easy main meal.