Healthy Tortilla Soup Oatmeal

Name: Healthy Tortilla Soup Oatmeal
Ingredients: 3 1/2 cups low-sodium chicken broth; Freshly ground black pepper; 2 cups old-fashioned oats; 1 red serrano chile, thinly sliced; 1/4 cup fresh cilantro leaves; 1 avocado, halved, pitted, peeled and diced into 1/4-inch pieces; 1 cup tortilla chips, crushed; 1 lime, quartered; 1 tablespoon vegetable oil; 1/4 cup finely diced onion (about 1/4 small onion); Kosher salt; 2 small plum tomatoes, diced; 2 teaspoons tomato paste; 1/2 teaspoon chili powder; Pinch ground cumin; Pinch garlic powder