Cranberry and Orange Crumble Bars

175g plain flour

75g cornflour

175g cold butter

75g caster sugar

For the cranberry filling:

250g cranberry sauce

Zest of an orange

For the crumble topping:

175g soft brown sugar

175g plain flour

150g butter

1 tsp ground cinnamon

A little grated nutmeg

50g flaked almonds

Zest of an orange

To finish the bars:

1 tsp lemon juice

2 tsp orange juice

60g icing sugar

Handful of dried cranberries

Some strips of orange zest