Mix all of the marinade ingredients in a small bowl.
Once fully combined, transfer the yogurt mixture to a large zip-top bag. chicken and the bell pepper pieces onto bamboo skewers.
Cut the chicken into large bite-sized pieces and toss them into the yogurt mixture.
Seal the bag and rub the outside of the bag rubbing the mixture to coat all of the chicken pieces.
Refrigerate for 4 hours.
Dice the bell pepper into large bite-sized pieces; about the same size as the chicken pieces. Set aside.
Remove chicken and discard the leftover yogurt mixture.
Thread the chicken and the bell pepper pieces onto bamboo skewers.
Heat the grill or a grill pan.
If you are baking the chicken, bake it at 450° until the internal temperature reaches 165° - about 20 minutes. Flip the chicken skewers 1/2 through cooking. Always check for doneness before serving.
Grill on both sides until the chicken reaches an internal temperature of 165°.