Step 1

Add the milk powder, corn flour, food colouring and vanilla to a food processor or blender, then blend for about 10 seconds.

Step 2

Transfer to an airtight container and store in the pantry.

Step 3

Add 1/2 cup of custard powder to a small saucepan with the sugar and milk. Whisk to combine, then heat over low heat stirring constantly until thick and beginning to bubble. Add more milk if you want a thinner consistency.