I made this disco themed cake for Yahoo Search team's Halloween celebration today. It was a yellow sponge cake and i decorated with vanilla butter cream and fondant cutouts.
Recipe for the soft and extra smooth Vanilla Butter Cream Icing :
Salted Butter : 1/2 cup, at room temperature
Powdered Sugar : 2 Cups
Milk : 2tbsp
Vanilla extract : 1tsp
Beat butter for a few minutes with a mixer on medium speed. Add powdered sugar in two batches and turn your mixer on the lowest speed until the sugar has been incorporated with the butter. Now add the flavour with Vanilla extract and 2 tablespoons of milk. Beat for 2 more minutes and divide frosting into 2 bowls.