White chocolate and berry shortcake

• 200 grams butter
• 1 cup sugar
•  1 egg
• 1 tsp vanilla essence
• 2 cups flour sifted
• 2 tsps baking powder
• 2 cups frozen berries
• 1/2 cup chopped white chocolate
• icing sugar and cream to serve

1. Cream butter and sugar
2. Add eggs and vanilla and beat well
3. Fold in flour and baking powder
4. Press 2/3 of mixture into a slice baking pan
5. Spoon berries over and sprinkle with chocolate
6. Sprinkle with remaining shortcake mixture
7. Bake 35 - 40 minutes in a medium oven until golden
8. Serve dusted with icing sugar and accompanied with whipped cream