Caldo De Pollo (Mexican Chicken Soup)

Ingredients

• 6 cups chicken broth
• 1 cup water
• 1 1/4 pounds chicken tenders
• 3 extra large chicken bouillon cubes (such as Knorr®)
• 1 tablespoon olive oil
• 2 teaspoons granulated garlic
• 2 teaspoons ground cumin
• salt
• ground black pepper
• 1/2 large white onion, chopped, or to taste
• 2 cups chicken broth
• 1 cup white rice
• 1 teaspoon chili powder
• 1 avocado - peeled, pitted, and thinly sliced
• 1 bunch fresh cilantro, chopped