01 -
Combine teriyaki sauce, pineapple juice, soy sauce, brown sugar, garlic, ginger, and sesame oil in a bowl. Stir thoroughly until all ingredients are well incorporated.
02 -
Place chicken pieces in a dish or resealable bag. Pour marinade over chicken, seal or cover, and refrigerate for at least 2 hours or overnight for best flavor penetration.
03 -
Heat grill to medium-high temperature, ensuring grates are clean and properly oiled.
04 -
Remove chicken from marinade, reserving excess liquid for basting. Grill chicken for 6-7 minutes per side, occasionally brushing with reserved marinade. Cook until internal temperature reaches 165°F.
05 -
Place pineapple rings on hot grill and cook for 2-3 minutes per side until caramelized and fragrant with visible grill marks.
06 -
Arrange grilled chicken on serving platter, top with grilled pineapple slices, and garnish with chopped green onions and toasted sesame seeds.