Preheat the oven to 180° Celsius

sieve together the flour, baking powder, salt and cocoa powder

in a large bowl beat the eggs with an electric mixer

add the food colouring and mix in thoroughly

in a small saucepan heat the butter and the water until just about to boil

remove from the heat and fold into the egg mixture alternating with the flour mix

pour the mixture into cupcake cases and bake for 15 minutes

turn onto a cooling rack and only ice once completely cooled