In a large skillet, heat olive oil over medium-high heat. Add bell peppers and cook, stirring frequently, 5 minutes. Add chicken and fajita seasoning and cook another 2 minutes, until chicken is heated through.
Step 2
To skillet, add picante sauce and cook, stirring occasionally, 3 to 5 minutes.
Step 3
Spoon chicken mixture into warmed tortillas. Top with sautéed onions, picante sauce, lime wedges, shredded lettuce, shredded cheese and sour cream, if desired. Fold to enclose fillings and enjoy.