Heat a skillet over medium heat and add a drizzle of olive oil.
Add diced onions and bell peppers, sautéing until softened.
In a bowl, mix shredded chicken with taco seasoning.
Place one tortilla in the skillet, spreading half the cheese on one half.
Layer the seasoned chicken, sautéed vegetables, and remaining cheese on top.
Fold the tortilla over to cover the filling.
Cook for 3-4 minutes until the bottom is golden brown and crispy.
Carefully flip and cook the other side until golden and cheese is melted.
Remove from heat and let cool for a minute, then slice into wedges.
Serve with salsa and sour cream on the side.