Grease and line a 20cm square baking tin

Add the condensed milk and coconut cream to a jug and heat in the microwave until hot. Add the chopped milk chocolate to a bowl along with the lemon zest, vanilla and salt. Once the condensed milk is hot, pour it over the chocolate and stir until smooth and melted.

Transfer to the prepared baking tin and smooth the top, then sprinkle generously with coloured sprinkles and smarties

Place in the fridge to firm up, about 4 hours. Slice into 36 small squares