Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  3             medium  sweet onions
  2        tablespoons  butter or margarine
  1            package  (8-oz) sliced fresh mushrooms
  2               cups  shredded Swiss cheese -- divided
  1                can  (10 3/4-oz) cream of mushroom soup -- undiluted
  1                can  (5-oz) evaporated milk
  2          teaspoons  soy sauce
  6                     (1 1/2-inch-thick) slices French bread
     1/4           cup  finely chopped fresh parsley

Preparation:

Cut onions crosswise into 1/4-inch slices; cut each of the slices in half. Melt butter in a large skillet over medium-high heat; add onion and mushrooms and cook, stirring constantly, until tender. Spoon mixture into a lightly greased 2-quart baking dish. Sprinkle with 1 cup cheese. Combine soup, milk, and soy sauce; pour over cheese. Top with bread slices, and sprinkle with remaining 1 cup cheese and parsley. Cover and chill 4 to 8 hours. Remove baking dish from refrigerator, and let stand at room temperature 30 minutes. Cover and bake at 375 degrees for 30 minutes. Uncover and bake 15 to 20 additional minutes or until thoroughly heated. Let stand 5 minutes before serving.

Nutritional Information:

199 Calories (kcal); 14g Total Fat; (64% calories from fat); 12g Protein; 6g Carbohydrate; 45mg Cholesterol; 255mg Sodium