Ingredients

The following ingredients have 4 Servings
  • 12 small to medium sized yellow onions
  • 3 medium sized red onions
  • 6 tablespoons olive oil
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon dried thyme
  • 1 1/2 cups beef broth
  • 1 1/2 cups chicken broth
  • kosher salt and black pepper to taste
  • 6-8 slices French bread (1 to 1 1/2-inches thick each)
  • olive oil for drizzling
  • 6-8 thin slices Swiss cheese (or 1/4 pound grated Swiss cheese, or more to taste)

Instruction