Found this from the net. I hv try before too. Very unique and nice looking 

Mango Marshmallow Cake

Ingredients for Base:

200 gm digestive biscuits. (150 gm)

80 /100 gm melted butter. (80 gm)

Method:

1. Crushed digestive biscuits and mix well with melted butter.

2. Press into a 8â€ﾝ cake pan. (6 inch)

3. Refrigerate for 30 to 45 minutes for use later.

Ingredients Marshmallow filling:

200g - 250g marshmallow (180g – 200g)

150ml milk (100ml)

300ml whipping cream (200ml)

2 tsp of gelatine powder (1.8 – 2 tsp)

Method:

1. Put all the ingredients into a pot.

2. Doubleboil over small fire until gelatine is dissolved.

3. When it is a little cooled, pour it into cake base.

4. Chill it for 15 to 20 minutes, then add the shaped mango pieces. Put it back into the refrigerator to chill for another 15 to 20 minutes.

Ingredients Jello topping:

1 pkt of mango Jello (90g) (Agar Agar)

400 ml of water (300 ml)

2 tsp of gelatine powder (1.8 – 2 tsp)

Method:

1. Boil all ingredients until dissolved.

2. Pour cooled mango jelly solution gently onto marshmallow layer by big tablespoon.

3. Chill in the refrigerator for 3 hours till jelly is set before serving.

Notes:

You can also arrange some sliced fresh mangoes on the biscuit base just before pouring in the marshmallow and also on top of the marshmallow layer. You can also add in diced mango pieces into marshmallow mixture. I shaped the mango pieces with a cookie cutte