Do

1. Preheat oven to 180ºC fan forced, and place rack into middle of oven.

2. Grease and line tin (21cm square tin, or 26cm x 16cm oblong tin).

3. Place dark chocolate into TM bowl and mill 10 sec/speed 9.

4. Add butter and melt together 2 min/50ºC /speed 3.

5. Add sugar and mix 5 sec/speed 4.

6. Add vanilla bean paste and eggs and mix 10 sec/speed 4.

7. Add flour and salt and mix 1 min/speed 4.

8. Add prunes and chocolate buttons and mix 20 sec/Reverse/speed 1.

9. Pour mixture into tin and spread to the corners.

10. Bake for 25 minutes then check it is cooked by touching gently with your finger in the middle - it should still be soft, but if it is very soft bake for a further 2-3 minutes.

11. Remove from oven and allow to rest in the baking tin until cool. Dust with cacao powder before cutting into squares.