Cooking shrimp on a grill. 1. Line a cookie sheet with aluminum foil. Place 1 tablespoon of old bay seasoning on the cookie sheet. 2. Place the shrimp on the lined cookie sheet. 3. Sprinkle another tablespoon of old bay seasoning, 4. Place three pats of butter on top of the shrimp. Sprinkle lime juice or fresh limes and then roll the shrimp up in the aluminum foil into a packet and place on the hot grill and cook for about 20 mins on a medium grill. Make sure you don’t overcook them. When the shrimp are opaque then they are ready.

source