Soft & Rich Sweet Potatoes

Directions

1. 1
   Slice the sweet potatoes and peel.
2. 2
   Soak in water to get rid of the bitterness.
3. 3
   Arrange the sweet potato slices on a heat-proof dish in a single layer.
4. 4
   Cover with cling film and heat in a 600W microwave for 10 minutes.
5. 5
   They are done when the potato slices are dark yellow and tender.
6. 6
   If still hard, put back in the microwave.
7. 7
   Put the sweet potato slices into a large bowl and add the room temperature butter and sugar.
8. 8
   Use the residual heat of the sweet potatoes to melt the butter and sugar.
9. 9
   Roughly crush the mixture with a plastic spatula and then switch to a hand mixer or food processor.
10. 10
    Blitz the mixture until smooth with a hand mixer.
11. 11
    Add the beaten eggs (2 whole + 1/2) and mix well.
12. 12
    Stir in the heavy cream and mix.
13. 13
    The batter is ready when the mixture is very smooth and creamy.
14. 14
    Shape the round paper cases into oblong rectangles, or use as is, and pipe the batter vertically as if it's soft ice cream.
15. 15
    Set a star-shaped nozzle to a piping bag and put the batter in the bag.Twist the end of the piping bag so as not to let the batter leak.
16. 16
    Start to pipe the batter.
17. 17
    For the first layer, pipe the batter in a zigzag lengthwise.
18. 18
    For the second layer, pipe the batter in overlapped circles.
19. 19
    Mixt the beaten egg (1/2) and 1 teaspoon of water and brush the mixture on top gently.
20. 20
    Do not damage the piped shape of the sweet potatoes.
21. 21
    Sprinkle with black sesame seeds and bake in the oven preheated to 200F Celsius for 25 minutes, until nicely golden browned.
22. 22
    Transfer to the dish and serve.
23. 23
    It is very tasty while warm but when cooled it is very moist and richer.
24. 24
    This is a close-up photo.
25. 25
    It looks like this when sliced