If I am not in a rush I season the chicken first with salt and pepper then brown in oil, and transfer to the baking dish, the oven-baking time will be less, and I think that the chicken definately tastes better if it is browned first. I have made this using other brands of prepared mustard but for some reason French's brand is the best! To save time you can prepare the sauce the evening or day before and chill. You can use any chicken pieces that you desired, I usually use a whole cut-up chicken in place of the 10 thighs, although I have 10 thighs listed you can sneak a couple more thighs in the dish! If you don't brown the chicken first, this makes a quick weeknight meal. I have made this many times, it is easy and delicious! Adjust all sauce ingredients to suit taste.