01 -
In separate bowls, combine each cake mix with its eggs, oil, and vanilla extract. Stir until well combined.
02 -
Scoop portions of each dough and gently press together to form marbled balls. Roll lightly to keep colors distinct.
03 -
Preheat oven to 350°F. Place dough balls 2 inches apart on parchment-lined sheet. Bake 8-10 minutes until edges set but centers soft.
04 -
Cool on baking sheet 2 minutes, then transfer to wire rack. Optional: dust with powdered sugar.