Instructions

  1. Cook onions in butter, just until tender.
  2. Blend in flour, salt, and pepper.
  3. Add bouillon and sherry.
  4. Cook and stir until thickened and bubbly.
  5. Turn into 1 quart casserole.
  6. Toss croutons with 2 tablespoons melted butter and spoon on the onion mixture, evenly.
  7. Sprinkle with Swiss cheese and Parmesan if desired.
  8. Put in oven under broiler and broil for about 1 minute until the cheese melts.
  9. Serve immediately.