Make sure chickens are clean and dry.
Preheat the oven to 400 F / 204 C.
Lightly coat an oven safe pan with non stick spray.
Place onion and carrots at the bottom of the pan.
Make the spice rub by mixing all the spice rub ingredients in a bowl.
Using your hands, rub the spice on and under the skin, try not to rip the skin.
Place the chickens on top of veggies in the pan and put the pan in the oven.
Make the sauce by mixing all the sauce ingredients in a separate bowl.
Every 20 minutes, brush sauce on the chickens.
Check after one hours to see if the chicken is fully cooked. Add the peppers and turn the broil on for 3-4 minutes.
Top with parsley and serve warm.