Cut the chicken tenderloin into bite-sized pieces.
Finely chop the onion and garlic.
Heat olive oil in a pan and sauté the chicken tenderloin.
Once the chicken is cooked, add the onion and garlic and stir-fry.
Add the rice and sauté until it becomes translucent.
Pour in white wine and let it reduce.
Add chicken stock in 2-3 batches, allowing the rice to cook.
Mix in butter and Parmesan cheese.
Season with salt and pepper.
Plate and garnish with parsley to finish.