Put milk to boil in a thick bottom pan. (keep aside a cup of milk for combining custard powder). Take the custard powder in a bowl. Add the milk that was kept aside and mix. Stir and mix the custard powder well till all the lumps are gone.

When the milk starts boiling, reduce the heat and pour the prepared custard powder mix. Stir the milk continuously to prevent custard mixture from sticking at the bottom of the pan. After 2-4 minutes the milk will start to thicken. Keep on stirring continuously. Add sugar to the thickened milk and mix well.

Once the custard is cooled to room temperature blend it with a hand blender so that it becomes smooth and even. Sieve the custard through the strainer to remove any lumps. The custard is ready. Let it cool it for 3-4 hours in the fridge. It will thicken on cooling. Remove from fridge and whisk well.

Grind the strawberry into puree using a mixer grinder. Strain the puree to remove the small seeds of strawberries.

Add the prepared puree and chilled custard in the mixer jar. Blend them till smooth. You can also use hand blender to blend puree and chilled custard together. (The custard should be chilled while mixing the strawberry puree).