Step 1

Sterilise the bottles for the liqueur: wash in very hot water or on the hot cycle of a dishwasher. Preheat the oven to 160C/325F/Gas Place the bottles on a baking tray and dry in the oven for 10-15 minutes. Leave to cool.

Step 2

Pour all the ingredients into a blender and blend on high for 30 seconds. Add extra Camp or chocolate to taste.

Step 3

Pour into sterilised bottles and store in the fridge. (The liqueur will keep for up to two months.) Shake well before using.