Cake Batter Bark Blondies

For the bark Line a baking sheet with parchment paper. Chop semi sweet chocolate and place in a microwave safe bowl. Microwave in 20-30 second intervals, stirring frequently until chocolate is completely smooth. Poor chocolate onto prepared baking sheet and spread with an off set spatula. Freeze for 20 minutes. Chop white chocolate and melt in the same way. Once melted, add cake mix stirring with a whisk until mixed. Let set for a few minutes to thicken. Pour white chocolate over semi sweet, spreading with an offset spatula as well. Immediately pour sprinkles over top. Return to freezer while you make the blondies.