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  ice-cream
What is ice-cream made of?
Funky flavours
How is ice-cream made?
The origin of ice-cream
Ice-cream cone's 100-years-old
Inventor of the cone
Does healthy ice-cream taste as good?
Ice-cream van law

 
A monkey cools off with this frozen fruit fancy How is ice-cream made?

At home you can make ice-cream in the freezer or in an ice-cream maker but if you need to make thousands of litres a day, you need to use a different method.

This is what happens in an ice-cream factory:

  • First the ingredients are weighed out and mixed together.

  • Then the mix is pasteurised. This means it is heated to a high temperature to kill off any harmful bacteria.

  • The mix is also homogenised. This means breaking down the fat globules in the milk or cream to make them smaller. Now the ice-cream will be smoother, will whip better and won't melt as easily.

  • The mix is then left for at least four hours, usually overnight, to let the fat cool and form into crystals.

  • Any flavours, fruit purees, or colours are added at this point.

  • The mix is then pumped through a special barrel freezer which freezes some of the water in the ice-cream and whips air into it at the same time. Up to half the volume of ice-cream is air. Without it, the ice-cream would be like a frozen ice cube.

  • Any fruits, nuts, sweets or biscuit bits are added to the semi-frozen mixture at this point.

  • The ice cream is then packaged and put into a blast freezer at -30 to -40C where more of the water in the ice-cream is frozen to make it harder.


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