To a large pan on the stove over medium high heat add in the ground chicken and onion break the chicken up and cook it through.
Stir in the barbecue sauce, tomato sauce and seasonings. Let simmer for 3 to 5 minutes stirring occasionally.
To a smaller bowl add in the jiffy corn muffin mix, egg, and milk. Stir well.
Spray a medium size casserole dish with nonstick spray then add the chicken barbecue mixture in and sprinkle the cheese on top then pour the corn muffin mix over the cheese. Bake for 30 minutes. Let sit for 5 minutes and enjoy.