Pan fry beef for 2 minutes (until sealed).
Place in heat proof casserole dish.
Along with chopped garlic, onion, carrots, mushrooms and stock, tbsp corn flour to thicken.
Place in oven for around 2 hours at 160’.
Oven bake and scrunch your filo/puff pastry and place on top of pie.
Serve with green vegetables of your choice.