Collect your ingredients according to the cake mix box. Mix together in a medium bowl.
Preheat oven to 325°F or temperature on box. Spray a 12-cup muffin pan with non-stick cooking spray or line with muffin liners.
Fill each cupcake two-thirds to three-fourths full with batter.
Bake cupcakes according to instructions on cake mix box.
Take the cupcakes out of the oven and let them cool for 5 minutes before transferring to a wire rack.
Frost the cupcakes and place sprinkles on top.
Place Malt-O-Meal® Coco Roos® cereal on top of the frosting layer and add a few more sprinkles.