Slice the apple into a deep, small ovenproof dish.
Sprinkle with sugar to taste.
Make the crumble by rubbing the margarine
and brown bread mix together until mixture resembles breadcrumbs.
caster sugar and mix. Sprinkle the crumble over the apple and sugar and
place in preheated oven at (375F 190C ,gas mark 5) for approx 20 minutes
until top is golden.