Heat milk in a pan and boil it for 5 minutes.
Add sugar and boil it for 2 more minutes.
Mix custard powder with water in a bowl and mix it well till no lumps are formed. Add this in the boiling milk.
Boil for another 5 minutes till the custard powder has mixed well.
Switch off the gas and let the custard cool at room temperature for at least an hour.
Now mix 1 tbsp. of strawberry crush in the custard. Keep the remaining for garnishing.