Preheat oven to 180°C fan.
Measure and sift the self-raising flour and add butter and sugar into a large mixing bowl, cracking in your eggs last and mix well with your wooden spoon.
Add a tablespoon of cupcake batter to each cupcake case.
Oven bake for 15 minutes.
Meanwhile, make the icing by sifting 100g of icing sugar and mixing it with 2 tablespoons of water.
Put coloured sprinkles onto a flat plate.
Carefully cut 12 white marshmallows diagonally to make your bunny ears.
Press the sticky side of the marshmallow into the sprinkles.
Top each cupcake with a spoonful of icing.
Stick two bunny ears onto each cupcake, using the icing as glue.
Finish with a chocolate chip nose.