Chicken Soup Mexicana

Ingredients

• 1 tbsp canola oil
• 2 cloves garlic, minced
• 1 medium onion, sliced (about 1 cup/250 ml)
• 4 celery stalks, sliced (about 1 cup/250 ml)
• 1/8 tsp ground black pepper
• 2 tsp cumin
• 1 tsp red pepper flakes
• 8 cups low-sodium chicken stock
• 2/3 cup lentils
• 19 oz can tomatoes, chopped
• 3 medium carrots, thinly sliced (about 1 cup/ 250 ml)
• 2 lbs cooked chicken, cubed (about 7 cups/1.75 l)
• 1 small zucchini, thinly sliced (about 1/3 cup/75 ml)
• 1 cup frozen peas
• 1 small avocado, peeled and sliced (about 1/2 cup/125 ml)