Traditional French Onion Soup

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Be sure to save this one for a cool, rainy Autumn day...
Instructions
  1. Preheat large saucepot over medium-high heat. Add onions, 3 tablespoons oil, and butter; cook 10 minutes or until onions begin to soften, stirring frequently. Reduce heat to medium-low; stir in bay leaf, sugar, and thyme. Cook 30 to 35 minutes or until on
  2. Meanwhile, preheat oven to 400°. Arrange bread slices on rimmed baking pan. Brush top of bread slices with remaining 1 tablespoon oil. Bake bread 10 to 12 minutes or until lightly browned; remove bread to plate.
  3. Place 6 ovenproof soup crocks or bowls on same baking pan. Ladle soup into bowls. Top each with 2 slices bread, then 1 slice Swiss cheese. Sprinkle cheese with 1 teaspoon Parmesan. Bake 10 to 12 minutes or until cheese melts and begins to bubble and brown