Cut your chicken breast into strips.
Heat up a pan over medium high heat. Add chicken strips when pan is hot enough then fry until chicken is golden brown. Set aside
Heat up a pan with the butter and add your sliced onion. Cook in medium high heat until the onion is soft and translucent, about 3 minutes.
Add your sliced mushrooms to the pan and cook until browned. (overmixing your mushroom will expel mushroom's water content, resulting in pale mushroom.)
Deglaze your pan by pouring the wine over. Add paprika powder, bay leaf then season with salt and pepper.
Pour the stock and fresh cream into the pan then mix well,
Add your chicken strips then cook for about 5 minutes more. Season with more salt and pepper. Adjust according to your taste preference.
Garnish with freshly chopped parsley.