Happy St. Patrick's Day!!PlayingHouse. It was great fun to make, especially because it was a surprise! No one knew what was on the inside until we cut into it.
Omnomicon. I started with a white cake mix. I divided the batter into 6 bowls. It came out to about 2/3 cup per color. I then used food coloring to make each color. I used the standard food coloring (4 color set), although I've decided I need a box of fun food coloring (12 colors).
snow white buttercream. It was really yummy and I tasted more than I should have while decorating.