Pry open the clams and discard the top shell. Time to check on the clams- as long as they’re cool enough to handle you can continue.In addition, cook strips of bacon on the grill to have ready to chop up and add later. This pasta will make clams casino hearty enough to be an entire meal. Put pasta into boiling water (yes, on the grill!) to have ready for when clams are done.Return any unopened clams back to the BBQ for another minute or so to see if they open, but discard any unopened clams after that. Remove the clams into a large bowl along with the juices to let cool.Heat BBQ to 400 degrees Fahrenheit. Place clams on the BBQ to start cooking: will likely have to cook 4-5 minutes until the clams have opened- larger cherrystone clams may take a little longer.