Dad’s Pies Mince & Cheese (Frozen, 200g)Tasty lean minced beef smothered in real cheese. Not to mess with pie fection, we add only a sprinkle of salt and pepper and a dash of Worcestershire sauce. Defrost before heating. Oven (recommended) Pre heat oven to 180C. Cook pie in oven for 20 minutes or until cooked through. Microwave: Place the pie centre of the microwave. 1100w = 75 secs. 750w = 120 secs.