Preparation:

Cook sausage in frying pan;  drain well. In a large bowl, combine the sausage, mozzarella, Parmesan, egg and egg white; mix well.  Add the parsley, oregano and salt and pepper, to taste.  Set aside.  On a lightly floured surface, roll the dough into a circle.  Spread the sausage mixture on top to within 1" of edge. Roll up like a jelly roll, pinch the edge well; place on cookie sheet. Brush top lightly with beaten egg yolk.  Bake at 350 degrees F for 45 minutes or until golden brown.  Set on wire rack to cool slightly.  Serve warm or at room temperature.
Per Serving: 611 Calories (kcal); 45g Fat (18g Sat, 19g Mono, 5g Poly); 23g Protein; 26g Carbohydrate; trace Dietary Fiber; 140mg Cholesterol; 931mg Sodium.  Food Exchanges: 1 1/2 Grain (Starch); 3 Lean Meat; 7 1/2 Fat.