Chicken and Avocado Soup

Name: Chicken and Avocado Soup
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Mexican
Ingredients: 2 tsp olive oil; 1-1/2 cups scallions (chopped fine); 2 cloves garlic (minced); 1 medium tomato (diced); 5 cups reduced sodium chicken broth; 2 cups shredded chicken breast (12 oz); 8 ounces from 2 small ripe hass avocados, diced; 1/3 cup chopped cilantro; 4 lime wedges; kosher salt and fresh pepper (to taste); 1/8 teaspoon cumin; pinch chipotle chile powder (optional)