2. First, mix the cake mix and pudding mix in a medium bowl. Next, add the oil, water, Greek yogurt, and eggs and stir well to combine. Then, fold in the white chocolate chips.
3. Add the batter to the baking pan, spreading it out in a smooth, even layer (it will be thick like cookie dough). Then, transfer to the oven and bake until a toothpick inserted in the middle comes out clean (20–25 minutes).