Melt butter with oil in large kettle. Add onions. Stir and cook, uncovered, ... bowl. Ladle on soup and sprinkle on cheese. Or ... cheese melts and bubbles.
Cut onions into 1/2-inch slices. Caramelize in ... 2 hours. Toast French bread slices on both sides. Put soup in bowls; top with bread ... until cheese has melted.
Stir in 7 cups onions for 20 to 30 minutes ... into onions. Return soup to low heat and simmer ... thick) slices of French bread; spread with butter and ... Parmesan cheese and broil.
Separate onions into rings and sauté in ... sliced and cubed French bread slices in bowl. Ladle soup over bread and top with ... until cheese is melted.
Saute onions in kettle with small amount ... serving time, ladle soup into individual bowls. Top with a slice of toasted French bread and a slice of ... cheese will be hot.