Note: For Classic Plate Grills preheat grill and cook for 7 minutes. For Indoor|Outdoor Grills preheat at Setting 4 and cook for 3-4 minutes preside.
Place the artichoke hearts, lemon juice, lemon zest, cheese, garlic and olive oil in a food processor and process until blended.
Place the chicken on a clean cutting surface. With the tip of a sharp knife, slit each breast horizontally without cutting all the way through to create a pocket.
Stuff ¼ of the stuffing into each chicken breast and press the edges to close. Fasten opening with toothpicks. Season the chicken with salt and pepper
Preheat your classic plate grill to 375°. Place chicken breasts on the preheated grill and cook for 7 minutes or until chicken registers 180° F on meat thermometer
Remove toothpicks before serving.