Combine all the marinade ingredients in a large mixing bowl.Slice the onion into a medium mixing bowl. Add the chicken and 2 tbsp (30 mL) of the marinade and toss to coat.Heat the Nonstick Double Burner Grill and Grill Press over medium heat for 3–5 minutes. Add the chicken to one side of the pan and the onion to the other side. Cover the chicken with the grill press and cook for 6–8 minutes, turning the chicken once and stirring the onions occasionally.Meanwhile, slice the cabbage to measure 3 cups (750 mL). Grate the carrot and apple.Add the cabbage, carrot, and apple to the remaining marinade and stir to coat. In a separate small bowl, combine the mayonnaise, lemon juice, and pepper.To assemble the wraps, spread 2 tsp (10 mL) of the mayonnaise mixture onto each tortilla and top with about 1/4 cup (50 mL) of the coleslaw and 1–2 chicken tenders.