1/2 cup sprinkles
1 cup chocolate chips
1 1/2 tsp. pure vanilla extract
1 egg
1/2 cup light brown sugar
1/2 cup granulated sugar
3/4 cup unsalted butter, softened to room
1/2 tsp. salt
1/2 tsp. baking soda
1 1/4 cups yellow or vanilla boxed cake mix