Place all marinade ingredients in a blender or food processor and blend until smooth.
For chicken: place in marinade and refrigerate for at least 1 hour, up to 12 hours, then grill for ~25-30 minutes or cooked through (165 F). Or on an indoor grill (ie, George Foreman) for ~10-12 minutes.
For shrimp: place in marinade and refrigerate for 30min up to an hour. Bake in a pre-heated 400 F oven for ~10 minutes or until cooked through and just turning pink. Note: if using frozen shrimp, allow to defrost in refrigerator overnight or according to package instructions.