Mix the marinade

• Combine the soy sauce, brown sugar, pineapple juice, honey, ketchup, ginger, paprika, garlic powder and pepper in a bowl.
• Whisk until the sugar dissolves and the marinade is smooth.

Marinate the chicken

• Place the chicken in the marinade and turn to coat well.
• Cover and refrigerate, ideally for 24 hours, or at least 6 hours.

Cook the chicken

• Grill the marinated chicken over medium-high heat, turning and basting with the marinade.
• Cook until nicely glazed and cooked through.