1. Heat oven to 400 degree F. Remove skin from all chicken pieces except wings; trim any visible fat. Cut chicken breasts crosswise in half.
2. Heat oil in large roasting pan in oven 2 minutes. Combine flour, 1 teaspoon of the salt, oregano, and ground pepper in large resealable plastic bag; add chicken pieces, tossing to coat well with flour mixture. Remove chicken from bag, arrange in hot oil in roasting pan; bake 20 minutes.
3. Stir mushrooms, red pepper and onions into roasting pan with chicken; bake 15 minutes, stirring once.
4. Add tomatoes with their liquid, wine and remaining 1/4 teaspoon salt, using spoon to break up tomatoes. Bake 10 minutes more or until chicken is cooked through. Sprinkle with chopped parsley. Makes 4 servings.