Wash chicken breast and sweet potatoes thoroughly.
Cut the chicken breast into bite-sized pieces.
Peel the sweet potato and cut into appropriate-sized pieces.
Add cooking oil to a pan and grill the chicken breast.
When the chicken breast is partly cooked, add the sweet potatoes and stir-fry together.
Season with salt and pepper.
Once the chicken breast and sweet potatoes are fully cooked, place them on a plate and serve.