This is the proper icing-to-cupcake ratio for a CCC.
Glue cupcakes (in their paper wrappers) to a board using icing. Lots of icing.
Step 2:
Slop on a layer of icing approximately 1.5-2 inches in thickness, smoothing over the gaps between cupcakes like drywall mud over, er … drywall. (See reference photo, above.)
Step 3:
“Decorate.”
When done, you end up with something like you see on the next page.