Tortellini Soup - Canadian Beef

Ingredients

• 1 tsp (5 mL) vegetable oil
• 1 lb (500 g) extra lean ground beef
• 2 cups (500 mL) sliced white button mushrooms
• 1 small onion, diced
• 1/2 tsp (2 mL) each salt and pepper
• 2 medium carrots, peeled and diced
• 2 medium celery stalks, diced
• 1 cup (250 mL) shredded baby spinach
• 1 can (28 fl oz) diced tomatoes
• 6 cups (1.5 L) water
• 1 tsp (5 mL) salt and pepper
• 2 cups (500 mL) cheese tortellini noodles or whole wheat macaroni