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Feel free to substitute your favorite cheese or a good melting vegan cheese, such as Vegan Gourmet Cheese Alternatives (a VT fave), in place of the Gruyère.
Preheat oven to 450°F. Coat baking sheet with cooking spray.
Spread mustard over 4 bread slices. Top each slice with cheese, 1 onion ring, 2 basil leaves, and 2 tomato slices. Season with salt and pepper. Top with remaining bread slices.
Whisk together milk and egg whites in shallow dish. Season with salt and pepper. Soak both sides of sandwiches in milk mixture until liquid is absorbed.
Transfer sandwiches to prepared baking sheet, and bake 10 minutes on each side, or until golden brown.
- Calories 274
- Carbohydrate Content 34 g
- Cholesterol Content 25 mg
- Fat Content 8.5 g
- Fiber Content 2 g
- Protein Content 16 g
- Saturated Fat Content 4.5 g
- Sodium Content 764 mg
- Sugar Content 4 g