Spinach stuffed shells

     12 oz Jumbo shells
      2 ea Bunches spinach
     15 oz Ricotta cheese
      1 lb Mozzarella cheese, grated
      1 ts Salt
      1 ds Cayenne or pepper
      1 lb Ground beef
     29 oz Spaghetti sauce
      1 c  Sliced mushrooms
  1 1/2 ts Italian seasoning
      1 c  Parmesan cheese, grated

 Steam, chop and cool the spinach. About 1 1/2 hours before you want to
  serve, boil and drain shells.  In bowl combine cooled spinach, ricotta
  cheese, mozzarella cheese, salt and pepper.  Stuff each shell with
  this mixture and arrange in a baking dish.  If very large shells are
  unavailable, stir shells into mixture and pour into baking dish.  In
  frying pan, brown ground beef and pour off fat.  (Vegetarians may
  omit meat.) Add spaghetti sauce, mushrooms and Italian seasoning.
  Simmer 10 minutes. Pour meat sauce over shells.  Bake at 350 degrees
  for 25 minutes. Sprinkle with Parmesan cheese and bake 5 minutes
  longer.  Serve with green salad. Serves 6. Yield: 6 Servings