Beef Goulash Soup

Name: Beef Goulash Soup
Ingredients: 2 pounds boneless beef sirloin steak, cut into 1/2 inch cubes; 1 large onion, chopped; 1 large green pepper, chopped; 2 tablespoons olive or vegetable oil; 3 medium potatoes, peeled and cubed; 3 medium carrots, chopped; 4 cups beef broth; 1 cup water; 2 tablespoons paprika; 1 tablespoon sugar; 1 teaspoon salt; 1/2 teaspoon pepper; 1/4 teaspoon cayenne pepper; 2 bay leaves; 1 (28 ounce) can crushed tomatoes; 1 (6 ounce) can tomato paste; 2 tablespoons caraway seeds; Sour cream