Lunch or dinner
Onion Soup
6
45 minutes
The most comforting soup for this winter.
Ingredients
-
180 g unsalted butter
-
2 tablespoons STAR extra virgin olive oil
-
1.2 liters of beef broth
-
2 tablespoons STAR balsamic vinegar of Modena
-
1 teaspoon dried thyme
-
Salt and pepper
-
4 slices of bread
-
4 slices of provolone cheese
-
2 slices of Swiss cheese
-
80 g grated Parmesan chees
Instructions
-
1.
Melt the butter with the extra virgin olive oil in a large pot over medium heat. Sauté the sliced onions without letting them brown.
-
2.
Add the beef broth, balsamic vinegar and thyme. Season with salt and pepper and simmer for 30 minutes.
-
3.
Divide the soup into ovenproof bowls and place a slice of bread on top of each one. Top each slice of bread with a 1-cm slice of provolone, a little diced Swiss cheese, and a tablespoon of grated Parmesan.
-
4.
Set the bowls on a baking sheet under the broiler until the cheese bubbles and browns lightly, 2 to 3 minutes. Serve hot.
