In a shallow dish, combine all the marinade ingredients.
Add the chicken and mix well.
Cover and marinate for about 2 hours in the refrigerator.

Place the grill in the top of the oven.
Preheat the oven grill to maximum.

In a small saucepan, heat the peanut butter, brown sugar, and garlic over low heat until the sugar is dissolved.
Add the remaining ingredients and keep warm.

Thread the chicken strips onto the skewers.
Place on a baking sheet lined with a silicone mat.
Grill in the oven for about 5 minutes on each side.
Brush with marinade halfway through cooking.
Serve the skewers with the warm sauce.