Heat the oil in a pan over medium-high heat. Cook the chicken, bell peppers, onion, salt, chili powder, cumin, and garlic powder for five minutes, stirring constantly.
2. Step
Flip the chicken, and cook for another five minutes, until chicken is cooked and vegetables are slightly soft. Remove from heat and slice the chicken into strips.
3. Step
In a small bowl, combine the olive oil, lime juice, brown sugar, chili, and salt, stirring until evenly mixed.
4. Step
In a large bowl, toss the romaine lettuce with the chicken, peppers & onions, avocado, and dressing.