Cut the chicken tenderloin into bite-sized pieces.
Finely chop the onion and garlic.
Heat olive oil in a pan and saute the chicken tenderloin.
Add the onion and garlic, and saute together.
Add the rice and cook for 2-3 minutes.
Pour in white wine to enhance the aroma.
Gradually add chicken stock while stirring until the rice is cooked.
Season with salt and pepper.
Finish by adding Parmigiano cheese and butter.