The Omnomicon has a fabulous step-by-step Rainbow Cake tutorial and the colorful pictures alone are positively drool-worthy! This recipe would be so much fun for a color party, a 60’s theme party, an art-lover’s birthday, or anytime you feel like brightening up the dessert table a bit.
You could also take the same concept and apply it to just a few colors or a different type of palette – maybe various shades of green for St. Patrick’s day, red/white/blue for 4th of July, or the birthday girl’s favorite colors, whatever they may be…
This next pic is one of my favorites… artistic, colorful, & all around delicious:
The baked cake looks so great it almost seems like it would be hard to cover it with frosting, don’t you think?! The pretty colors come through again when the cake is cut and served though (see top pic, above).