4 cups red onion, thinly sliced lengthwise
1 tablespoon port wine
1 cup water
1 tablespoon ketchup
1/8 teaspoon pepper
1 tablespoon vegetarian Worcestershire sauce (available at health food stores)
2 tablespoons nutritional yeast (available at health food stores)
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4 tablespoons Kitchen Bouquet
2 cups fat-free vegetable broth
6 pieces French bread, sliced diagonally 1/2 inch thick
1/2 cup shredded fat-free Swiss cheese
1/2 cup grated fat-free parmesan cheese
Finely chopped parsley