Deseed grape fruit.In a pan add grape and 1/2 cup water boil for 3-4 minutes.

Let them cool.in jar,churn and make juice. Sieve the juice.in a pan boil juice,add sugar,add diluted corn flour.

Make thick paste.

In a pan add milk,bring it to boil.add sugar and vanilla essence. Add milk to dilute corn flour..add to boiling milk.

Make thicker consistency.

In a jar first pour grape fruit custard.than pour milk custard. Again pour grape custard. Freeze for 2-3 hours.

Serve chilled.