1. Lightly melt the butter in a sauce pan.
2. Add the mango puree and sugar. Mix well.
3. Cook on a low flame for 2 to 3 minutes. Cool completely.
4. Add fresh cream and mix well. Refrigerate.

To Serve:

1. Arrange 1 scoops of vanilla ice-cream in a fancy dessert bowl.
2. Top it with some mango pieces.
3. Evenly pour generous helping of mango sauce over it.
4. Garnish with mint leaves.