use the muffin tin & cases.
beat the butter, sugar & vanilla until light & fluffy.
sieve the flour into the bowl & carefully fold in using a tablespoon.
mix in the milk, stir until the mixture is smooth & drops off the spoon easily.
divide between the paper cases & bake in the oven until the cakes are risen & golden brown.
remove & cool on a cooling rack.
to make the butter cream icing, simply combine all of the ingredients and beat together really well until you are happy with both the texture and taste; and of course in this instance, the shade of blue! 