Easy French Onion Soup Ingredients: 3 pounds Spanish onions 6 cups (48 fl oz) high-quality beef broth 2 tablespoons olive oil 2 tablespoons all-purpose flour 4 cloves garlic, 2 cloves minced and 2 cloves halved 1/4 cup chopped fresh parsley 3 sprigs fresh thyme 4 whole cloves (optional)