Method: Heat oil in a large non-stick skillet. Cook hamburger patties approx 4 min per side . Season with salt and pepper. Remove from pan. Keep warm. Return pan to heat. Add butter. Cook onion and mushrooms about 5 min or until tender. Sprinkle with flour. Cook 3 min longer. Add milk, Worcestershire sauce, salt, pepper and paprika. Bring to a boil. Reduce heat. Cook gently, uncovered, 4 to 5 min. Return hamburger patties to pan for 5 min or until cooked through. Taste and adjust seasoning, if necessary. Sprinkle with parsley.
