Broccoli Potato Soup

Ingridients of Broccoli Potato Soup:

• 2 cups broccoli florets
• 1 small onion, thinly sliced
• 1 tablespoon butter or margarine
• 1 (10.75 ounce) can condensed cream of potato soup, undiluted
• 1 cup milk
• 1/2 cup water
• 3/4 teaspoon minced fresh basil
• 1/4 teaspoon pepper
• 1/3 cup shredded Cheddar cheese