Warm 120g butter and 1/2 a tin (200g) of sweetened condensed milk in the microwave. Cut up Eskimo/Fruit Puff lollies (190g) into bite-sized chunks. Mix butter, condensed milk, crushed malt biscuits (1 packet) together. Form into a log shape. Roll in coconut. Chill in fridge for 4 hours. When set, cut into slices and serve.