Mushroom Cheese Stromboli
1/4 pound fresh mushrooms, sliced
  1 tablespoon butter
  1 loaf (1 pound) frozen bread dough, thawed
  3 ounces thinly slice pepperoni
  6 ounces thinly sliced mozzarella cheese
1/4 pound thinly sliced Provolone cheese
  1 cup grated Parmesan cheese
1/3 cup spaghetti sauce
  1 tablespoon dried parsley
1/2 teaspoon dried oregano
  1 egg yolk
1/2 teaspoon water
Additional Parmesan cheese, optional
In a skillet; sauté mushrooms in butter until tender;  set aside.  On a lightly floured board, roll dough into a 30 inch x 8 inch rectangle;  cut in two 16 inch x 8 inch pieces.  On the long side of each piece, layer pepperoni, cheeses, mushrooms, spaghetti sauce, parsley and oregano.  Fold over dough and pinch to seal.  Combine egg and water; brush over edges and ends of dough.  With a sharp knife, cut five small steam vents in the top of each roll.  Place on greased baking sheets.  Bake at 350°F for 27 to 30 minutes or until golden brown.  Slice and serve warm.
Yield: 36 slices