Orange Juice Chicken

Directions

1. 1
   Preheat oven to 375 degrees F (190 degrees C).
2. 2
   Place chicken in a 9x13 inch baking dish. Spread mustard evenly over the chicken and sprinkle with chopped onion. Coat lightly with 1/4 cup of the brown sugar and pour in enough orange juice to cover chicken. Add butter on top.
3. 3
   Bake in preheated oven for 45 minutes, then remove leftover sauce from baking dish and pour into a saucepan. Sprinkle chicken with remaining 1/4 cup brown sugar and return to oven.
4. 4
   Whisk flour into sauce in saucepan. Add any leftover orange juice and heat on high until the sauce thickens. Remove chicken from oven and place on a serving dish; pour sauce over the chicken or into a gravy boat, and serve.