1 Golden Delicious apple, peeled, cored, and chopped
1-1/2 cups chopped onions
1 (14-1/2 ounce) can beef broth
1-1/2 cups water
1/2 cup sherry
1 teaspoon dried basil
4 slices French bread
1/2 cup shredded Swiss cheese
In 2-quart microwave-safe bowl, microwave butter on HIGH 1 minute or until melted. Add apple and onion; microwave on HIGH 5 minutes. Stir and microwave on HIGH 5 minutes longer or until apple is tender and onions are softened. Add broth, water, sherry, and basil. Microwave on HIGH 15 minutes, stirring every 5 minutes.
Heat broiler of conventional oven; toast slices of bread on both sides. Ladle hot soup into each of 4 oven-safe crocks; top each with toasted bread and some cheese. Broil until cheese melts and browns slightly; serve hot.