Tortellini Soup

Ingredients

• 1 tsp vegetable oil
• 1 lb extra lean ground beef
• 2 cups sliced white button mushrooms
• 1 small onion (diced)
• 1/2 tsp each salt and pepper
• 2 medium carrots (peeled and diced)
• 2 medium celery stalks (diced)
• 1 cup shredded baby spinach
• 28 oz can diced tomatoes
• 6 cups water
• 1 tsp salt and pepper
• 2 cups cheese tortellini or whole wheat macaroni