2 tablespoons olive oil
1 large onion, chopped
2 garlic cloves, minced
1 pound chicken breast, cubed
2 cans (10 ounces each) Rotel tomatoes (diced tomatoes with green chilies)
4 cups chicken broth
1 teaspoon cumin
1 teaspoon chili powder
Salt and pepper to taste
1 can (15 ounces) black beans, drained and rinsed
1 cup frozen corn
Fresh cilantro and sliced avocado for garnish