Mix first 5 ingredients; stir well and set aside. Bring broth to a simmer in medium pan Don't boil. Keep warm over low heat. Heat 2 tsp. oil in large pan over medium high heat. Add onion; sauté 3 minutes. Add rice; cook, stirring constantly, 1 minute.
Add wine; Cook, stirring constantly, 1 minute or til liquid is nearly absorbed. Add warm broth, 1/2 cup at a time, stirring constantly til each addition is absorbed before adding the next (about 20 minutes total). Add tomato mixture; cook, stirring constantly, 2 minutes. Remove from heat and stir in mozzarella and pepper. Sprinkle each serving with Parmesan cheese. Makes 6 servings.