Slice the chicken breast thinly.
Boil the sweet potato, peel it, and mash it.
Drain the soft tofu and cut it into bite-sized pieces.
Stir-fry the chicken breast in a pan.
When the chicken breast is cooked, add the mashed sweet potato and soft tofu, and stir-fry together.
Place the stir-fried mixture on a tortilla.
Roll up the tortilla and cut it into bite-sized pieces.