Put the chicken (breast up) in the pressure cooker whit 3 cup of water. Cook for 20 to 25 minutes.
Whit the power chef, cut the onion, carrot, garlic and celery.
When the chicken is cook (make sure the the heat inside the chicken is 165F/75C) take the chicken out of the pressure cooker.
Put the cup of water whit the vegetable and the orzo in the pressure cooker and cook for 10 minutes.
During this time, debone the chicken (throw away the skin) and cut it into strip.
Whit the zest N’ press, press the lemon.