Place Cream Cake mix in bowl of large stand mixer, add oil. Mix low speed 2 minutes. Scrape bowl.
Add the eggs. Mix low speed 2 minutes. Scrape bowl.
Increase to 3rd speed. Mix 3 minutes. Scrape bowl.
Reduce to low speed. Add colors and mix until evenly distributed, scrape sides of bowl for even color distribution.
Using a #30 disher (1.125 ounces/ 2 1/4 tablespoons), scoop batter into a bow of sifted powdered sugar, coat evenly, place coated cookies on parchment lined sheet pans.
Bake 350*F in conventional oven, approx. 27 min or until set with a very light brown color around the edges.
Allow to cool on pan until firm enough to move to doing rack. Cool completely, then sandwich with chocolate ganache.