Method

1. Using electric beaters, beat butter ½ cup caster sugar and vanilla in a medium bowl until sugar dissolves and mixture is pale and creamy.

2. Add eggs one at a time.

3. Beat well after each addition.

4. Using a spoon remove pulp from custard apples.

5. Discard seeds and add pulp to mixture. Mix well until combined.

6. Using a large metal spoon, fold flour in 2 batches into mixture.

7. Spoon into loaf pan and smooth the top.

8. Combine extra sugar and cinnamon and sprinkle over mixture.

9. Bake for 1 hour or until a skewer comes out clean.

10. Remove from oven and stand for 5 minutes before turning cake out onto a wire rack to cool.