4 -6 tablespoons butter |
3 large sweet onions, sliced |
seasoning salt (to taste) or white salt (to taste) |
fresh ground black pepper (to taste) |
2 cups shredded swiss cheese, divided |
1 (10 ounce) can cream of chicken soup, undiluted |
2/3 cup half-and-half or 2/3 cup milk |
1 teaspoon soy sauce (or to taste) |
8 slices french bread, buttered on both sides |