Cut the chicken breast into bite-sized pieces.
Season the chicken breast with salt and pepper.
Heat olive oil in a pan and cook the chicken breast.
Once cooked, remove the chicken breast from the pan and set aside.
Slice the onion thinly and sauté in the pan.
Add plain yogurt and milk, and simmer over low heat.
Add parmesan cheese powder and pepper to finish the sauce.
Return the cooked chicken breast to the pan and mix well with the sauce.
If desired, add boiled pasta and toss together.
Plate and garnish with parsley.