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Lickerty-Split Ice-Cream

Make mega fast Ice-Cream with your own Wernham Salty Ice-Cream Tester Tumbler*

We feel sure that you can invent a whole cornet full of flavours worthy of making it onto the Professor Bonker-Lonkas Intergalactic Ice-cream Parlour’s menu but you never know when inspiration will strike. Here’s how to make your very own Wernham Salty Ice-Cream Tester Tumbler so you will be ready when it does.

Here are the things you will need:

For the Wernham Salty Ice-Cream Tester Tumbler:

  • A large freezer bag – or a small bin liner – basically any plastic bag with no holes
  • A smaller plastic freezer bag or zip lock bag
  • Some ice – from the shop or from your freezer (a couple of trays worth) – leave it in the freezer until the last minute
  • A little cold water
  • A few hundred grams of cheapo, bog-standard salt
  • A large tea-towel towel or a small blanket

For the ice-cream:

  • 250mm single cream (get organic – it’s friendlier to the lovely cows who make it)
  • 2 tablespoons of sugar and/ or honey
  • Between 1 and 4 tablespoons of your SPECIAL INGREDIENTS – what is your new flavour? Cocoa? Peanut butter? Strawberries? Frozen peas? Vanilla extract? Crushed unicorn tears?


* developed with April Wernham – whose world of inventions you can explore here…


(have a look at the list above)


Put the ice-cream ingredients into a jug or bowl and mix them up then transfer them into the smaller bag and seal it up with a knot or the zip (try not to trap too much air in it)


Put the ice and the salt and a let’s say half a cup of water into the big bag.


Put the smaller bag in with the ice in the larger bag and seal that one up too (again, try not to trap air inside with the ice.)


Wrap both bags in the tea-towel (so you don’t freeze your fingers off) and shake, roll and rattle them about for approximately 8 minutes 13 seconds.


Extract the smaller bag – its contents should now be quite firm…if not … erm… pop it back into the ice and shake it some more! But once it is firm rinse off the salt and hold the bag over your ice-cream bowl, snip the corner of the bag off and squeeze out the ice-cream.



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