French Onion Soup
SOUP
4 tablespoons Challenge salted butter
1 teaspoon salt
2 large red onions (about 5 cups) thinly sliced
2 large sweet onions (about 5 cups) thinly sliced
1 (32 ounce) can chicken broth
1 (32 ounce) can beef broth
1/2 cup red wine
1 tablespoon Worcestershire sauce
2 sprigs fresh parsley
1 sprig fresh thyme leaves
1 tablespoon balsamic vinegar
salt and freshly ground black pepper to taste
TOPPING
4 cups large homemade croutons
2 cups shredded Gruyere Cheese
2 cups shredded Asiago
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