Total Time
4hrs 15mins
Prep 4 hrs
Cook 15 mins

Creamy and just delicious, if you love onions then this is one you have to try. Plan ahead this needs to be refrigerated for a minumum of 4 hours.

Ingredients Nutrition


  1. Sice the onions crosswise, cut each slice in half.
  2. Melt the butter in a frypan, cook the onions and the mushrooms until tender.
  3. Spoon the mixture into a lightly greased baking dish.
  4. Sprinkle with 1 cup Swiss cheese.
  5. In a bowl, combine the soup, evaporated milk Parmesan cheese (if using) and soy sauce; pour the mixture over the cheese.
  6. Top with the bread cubes, and the remaining 1 cup Swiss cheese.
  7. Sprinkle with parsley (if using).
  8. Cover, and refrigerate for 4-8 hours.
  9. Let stand at room temperature for 30 minutes before baking.
  10. Bake, covered in a 350 degree oven for 30 minutes.
  11. Uncover, bake for an additional 15-20 minutes.
  12. Let stand for 5 minutes before serving.


Most Helpful

This casserole was a big hit...just the smell of it cooking alone brought the neighbors was fabulous...

CIndytc January 20, 2008

great flavor , perfect for potlucks. this is the 4th time I've made this dish and I always double the recipe and still never have any leftovers.

marlinemarano December 18, 2007

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