[header] How to make rainbow ice cream [title] Blend all the ingredients except the food coloring. [step] Carefully pour the milk, cream, sugar, and vanilla extract into a blender. Blend on high speed for about two minutes, until the sugar has dissolved and the mixture resembles a liquid, with a white color. 
[title] Add the mixture into an ice cream machine. [step] Pour the cream mixture into an ice cream machine.