1. In a bowl, combine melted butter, egg, vanilla, and cream cheese. Mix thoroughly.
2. Gradually add the cake mix, mixing until well combined.
3. Stir in white chocolate chips and M&Ms by hand.
4. Refrigerate the dough for at least one hour, then roll into 1-inch balls.
5. Preheat the oven to 350°F (175°C).
6. Place dough balls on a parchment-lined baking sheet and bake for 10-12 minutes (do not let them brown!).
7. Allow cookies to cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely.
8. Store in an airtight container for 4-5 days. Makes 3 dozen cookies.

PREP TIME & NUTRITION:
Prep Time: 15 minutes, Cook Time: 12 minutes, Total Time: 27 minutes
Servings: 36, Calories: 126, Net Carbs: 14g, Fats: 7g, Protein: 2g