Orange Chicken with olive

6 white potatoes , peeled and cut into 1inch chunks 3 leeks , ends removed and roughly chopped salt and pepper 2 oranges , peeled and thinly sliced 3 lbs[...]

4 boneless skinless chicken breasts , cut in 3 in strips (mine were about 8-9oz each) 1/3 cup orange juice 3 tablespoons soy sauce 1 tablespoon hoisin sauce 1[...]