-FOR THE POLENTA CAKE-
   125 g  Polenta; (4oz)
   250 g  Plain flour; (8oz)
     1    Heaped teaspoon baking
          -powder
   150 g  Golden caster sugar; (5oz)
          Grated zest of 1 orange
   150 g  Unsalted butter; (5oz)
     1 tb Orange juice
     1 md Size egg
     1 tb Olive oil
-FOR THE FILLING-
   250 g  Punnet frozen cranberries
    50 g  Demerara sugar; (2oz)
     2    Rounded teaspoons polenta
Preheat oven to 180 C, 350 F, Gas Mark 4.
Butter a 10cm (4 inch) loose bottomed cake tin.
 Place the polenta, flour, baking powder and caster sugar in a food
 processor with the orange zest, process to combine.
 Add the butter and process until it resembles fine breadcrumbs.
 Combine the orange juice, egg and oil together, with the motor
 running slowly pour into the processor through the feeder tube.
 Once combined, stop the machine and press two thirds of the dough
 into the prepared tin.
 Combine all the filling ingredients together and pile onto the base,
 leaving a border of about 1cm ( 1/2 inch) round the edge.
 Crumble over the remaining mixture and cook in the oven for 45-50
 minutes until golden brown.
                 
                 Yields       
                6 servings