Italian Vegetable Frittata Cuisine: Italian Author: Editor Prep time: 15 mins Cook time: 25 mins Total time: 40 mins Serves: 1 Ingredients nonstick cooking spray 1 cup cubed cooked potato 3/4 cups reduced fat shredded mozzarella cheese 1/3 cup quartered zucchini slices 1 cup diced plum tomato 1 cup egg substitute or 3 eggs &