xochitl - chicken and lime soup

Ingredients

• 1 tablespoon olive oil
• 1 cup onion, chopped
• 3 celery ribs, sliced
• 4 cloves garlic, minced or grated
• 1 jalapeño, seeded and chopped (can use poblano instead)
• 12 ounces chicken breast
• 1 carrot, sliced (or equivalent amount of baby carrots)
• 2 cans tomatoes with chiles (10 ounce cans)
• 2 teaspoons mexican oregano or epazote, if available
• 1 tablespoon cumin
• 6 cups good quality chicken broth or stock
• 1 small zucchini, sliced
• 2 limes - juice of 1 and 1 to slice for garnish
• 1/4 cup cilantro, chopped
• 1 avocado, diced
• 2 - green onions, chopped white and green
• tortilla chips, crushed, for garnish
• sour cream, for garnish
• shredded cheese, for garnish