Cut each biscuit into fourths; set aside. In a large saucepan, saute onion and green pepper in oil until tender. Stir in the chicken, broth, mushrooms, bouillon granules, parsley, sage, rosemary and pepper., Bring to a boil. Reduce heat; add biscuits for dumplings. Cover and simmer (do not lift cover while simmering) 10 minutes or until a toothpick inserted in the center of a dumpling comes out clean.