Gather your ingredients on a clean countertop for a smooth process.
In a large mixing bowl, add the Funfetti cake mix, breaking up any clumps.
Add the whipped topping and Greek yogurt to the cake mix, creating a rich texture.
Gently fold the ingredients together using a spatula until well combined.
Fold in the sprinkles, distributing them evenly throughout the dip.
Chill the dip in the refrigerator for at least 30 minutes before serving.
Transfer the dip to a serving dish, sprinkle extra sprinkles on top, and serve with vanilla wafer cookies.
