Finely chop onion and garlic.
Cut mushrooms and chicken into bite-sized pieces.
Heat olive oil in a pan and sauté onion and garlic.
Add chicken and mushrooms, and cook them through.
Add risotto rice and lightly sauté.
Pour in white wine and let it reduce.
Gradually add chicken broth while cooking the rice.
Add heavy cream and mix, adjusting the consistency.
Finish with Parmesan cheese.
Season with salt and pepper, plate, and garnish with parsley.