In a mixie jar add ripe mangoes, sugar and vanilla extract. Grind them without adding water
Add heavy cream in a wide bowl and whisk well till you see soft white peaks
Add 1/2 cup of mango purée and mix well
In a serving glass add 3/4th quanity of mousse
Top with few tablespoons of mango purée according to your taste. Nuts can be added for extra taste
Consume immediately or serve chilled