Cut onions in half and ... wooden spoon. Simmer soup, covered, for at least ... thin slice of French bread about 1 1/2 ounce ... cheese until golden brown.
Melt the 3/4 stick of ... with the onion soup. Add more Swiss cheese. ... sprinkled with Parmesan cheese. Broil 10 to 15 minutes or until golden brown.
Melt 1/3 cup butter with ... both sides of French bread lightly with butter. Toast ... 3 minutes. Pour soup in individual bowls. Place bread ... cheese melts, 1 minute.