How to make a Rainbow Polka Dot Swiss Roll, Cupcake Jemma

Swiss Rolls are perfect for a light, sweet treat on a sunny day but what would make a Swiss Roll better Adding multicoloured polka dots, obviously This method is one Ive been wanting to do or ages and now Im sharing it with you guys. And once you have it down, the possibilities are endless. GRAB THE TEMPLATE HERE: RECIPE: For the dots 50 g unsalted butter, softened 50 g icing sugar, sifted 2 eggs whites 50 g plain flour, sifted Food colouring (paste or liquid in red, orange, yel