Mix flour, water, wine, beef base, basil, thyme, marjoram, salt, pepper and garlic powder in small mixing bowl; set aside. Heat oil in large skillet. Add veal. Fry over medium-high heat until no longer pink. Remove veal from skillet; set aside. Add onion to drippings in skillet. Saute over medium heat until softened. Reduce heat to low. Stir in remaining ingredients and the veal. Add flour mixture to skillet. Stir, cover and simmer, stirring occasionally, 25 to 30 minutes, or until mushrooms are tender. Remove and discard bay leaf. Serve immediately.
Makes 4 servings.