Mix all the ingredients for the marinade, coat the chicken well inside and out, leave for a couple of hours.
Grease a baking sheet with a drop of any oil, put the chicken and bake in the oven for an hour. The first 40 minutes at a temperature of 200 degrees.
Then open the oven and pour the juice over the halves of orange.
The last 20 minutes, bake chicken in mustard at a temperature of 150 degrees.