Combine the milk, custard powder and sugar and bring to cook till the custard thickens.
Add in the chopped mango, mix and switch off the flame.
Allow to cool and then chill the custard till time to serve.
Keep four small glasses ready.
Sprinkle some crumbled muffins in each glass keeping some spare for topping.
Divide the custard between the four cups.
Top with the remaining crumbles and strawberries.
Serve and enjoy!