1Heat oven to 375°F. Spray 2 cookie sheets with cooking spray. Separate dough into 8 rectangles. Place rectangles on cookie sheets. Firmly press perforations to seal.
2Place 4 meatball halves lengthwise down center of each rectangle. Top each with 2 tablespoons pasta sauce and 2 tablespoons mozzarella cheese. Make cuts 1 inch apart on each side of filling, using sharp knife. Alternately cross strips over filling. Brush dough with beaten egg; sprinkle with Parmesan cheese.
3Bake 15 to 20 minutes or until golden brown.