- Pour the granulated sugar into a small bowl and set aside.
- In a large bowl, combine the cake mix, eggs, sweetened condensed milk, and butter. Mix until the dough is smooth.
- Chill the dough in the fridge for 30 minutes. While chilling, preheat your oven to 350°F and line a baking sheet with parchment paper.
- Scoop the chilled dough with a small cookie scoop and roll in the granulated sugar. Repeat with all the cookies, and space the dough a few inches apart on the baking sheet.
- Bake for 11-13 minutes.