Preheat the oven to 350°F / 180°C / Gas Mark 4.
Peel, core and slice the apples into a pan then add the water, brown sugar and grated lemon rind.
Cover and cook gently until the apples are soft.
Once cooked, turn into a greased pie dish.
Rub the butter or margarine into the flour, add the sugar and ground ginger and mix well.
Sprinkle this mixture over the apple and press down lightly.
Cook in a moderate oven until golden brown.
