Balsamic French Onion Soup

Onion Recipes

 

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Balsamic French Onion Soup

4 tablespoons unsalted Butter
3 large white thinly sliced Onions
1/2 cup Madeira or similar wine

4 cups chicken stock or canned low-sodium broth

4 cups Beef stock
2 tablespoons Balsamic Vinegar
Six thick slices stale sourdough bread
2 cups grated Gruyere or Swiss cheese
2 Scallions, chopped
 


Melt the Butter in a large saucepan.
Add the Onions and cook over moderately high heat, stirring frequently, until softened and starting to brown, about 15 minutes.

Add 2 tablespoons of the wine, reduce the heat

to moderate and cook until evaporated.


Continue adding a total of 1/2 cup of the wine, 2 tablespoons at a time, stirring often and cooking until evaporated before adding more, about 15 minutes.


Continue cooking the Onions, stirring, until deep brown, about 10 minutes more.
Add the chicken and Beef stocks to the saucepan and bring to a rolling boil. Reduce the heat to low and simmer until the soup is flavorful and the onions are tender, about 1 hour. Season with Salt and Pepper and stir in the Balsamic Vinegar and 2 tablespoons of wine.

 

Preheat the broiler. Arrange 6 ovenproof bowls on a baking sheet. Divide the soup among the bowls, top each with a bread slice and cover the bread with the cheese. Broil for 1 to 2 minutes, until the cheese is golden and bubbling. Garnish the soup with the Scallions and serve. This soup is hearty and filling enough for a light supper.