Lazy Lasagna Soup

Ingredients

• 1 pound ground beef, browed and drained
• 1 (14 1/2 ounce) can diced tomatoes, undrained
• 1 (7 3/4 ounce) package lasagna dinner mix
• 1 (7 ounce) can whole kernal corn, undrained
• 5 cups water
• 1 small zucchini, chopped
• 1/2 cup chopped onion
• 2 tablespoons grated Parmesan cheese