Cook your chicken well on both sides in the pan.
Remove and add chopped veggies and cook until just done.
Remove veggies and deglaze with chicken stock. Add lemon juice.
Then mix cornstarch with 2 oz water and add. Cook until thick.
Add chicken and veggies back in to cook until done. Season well with salt and pepper.
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.