French Onion Soup | Just A Pinch Recipes

Ingredients

• 3 tablespoon(s) unsalted butter
• 4 large onions (about 2-1/2 pounds total), halved and thinly sliced
• 1 teaspoon(s) sugar
• 2 teaspoon(s) all-purpose flour
• 2 - 14 1/2 ounce cans beef broth (not condensed) (see note)
• 1/4 cup(s) sherry or red wine
• 6 - 1/2 inch thick sliced french bread, cut on a slight diagonal
• 1/4 pound(s) gruyere or swiss cheese