In a bowl, combine the salt, onion powder, cumin, black pepper, garlic powder, and white pepper together. Set aside 2 tsp of the spice mix and mix the remaining amount with the 2/3 cup flour.
Now it's time to bread the chicken. Dip the breasts in the flour mixture, followed by the buttermilk, then finishing off with another coating of the flour.
Add the canola oil to a large hot skillet and fry the chicken in the oil until both sides are brown and chicken is cook through.
Place the breast on a baking sheet and keep warm in the 250 degree oven while you make the gravy.
In the skillet you cooked the chicken in, melt the butter and the whisk in the flour cooking for a minute. Slowly add in the broth and milk while whisking Add in the 2 tsp of spice mix you set aside. Cook until gravy is thick.
Remove chicken from the oven. Spoon gravy over chicken and hot mashed potatoes to serve. Serves 4.