Step 1

Combine the ketchup, the soy sauce, the brown sugar, the rice vinegar, the sriracha, the Worcestershire, the sesame oil, the garlic, and the ginger in a medium mixing bowl.

Step 2

Add 1/4 cup of the marinade to a smaller bowl and reserve in the refrigerate.

Step 3

Add the chicken to the remaining marinade, tossing it to coat all the pieces evenly.

Step 4

Cover and refrigerate the marinated chicken bowl for at least 2 hours and up to 8 hours.

Step 5

Preheat the grill to medium heat.

Step 6

Add the chicken pieces, discarding the marinade, and grill, basting with the reserved 1/4 cup of the marinade occasionally.

Step 7

Grill the chicken until it is fully cooked to 165 degrees F, about 15 minutes.

Step 8

Serve hot.