01 -
Preheat the oven to 350°F. Line two baking sheets with parchment paper.
02 -
In a large bowl, stir together the cake mix and flour. Add the eggs, oil, and vanilla, then mix until a thick, sticky dough forms.
03 -
Fold in 1/2 cup of the candies, 1/3 cup of the chocolate chips, and the sprinkles. Reserve the rest for topping the cookies.
04 -
Scoop 1 1/2 tablespoon portions of dough onto the prepared baking sheets, spacing them about 2 inches apart. Press reserved candies and chocolate chips onto the tops.
05 -
Bake for 8-10 minutes, until the edges are set and the tops look matte but still pale. Do not overbake.
06 -
Let the cookies rest on the baking sheet for 2 minutes, then move them to a wire rack to cool completely.