Preheat your oven to 400°F (200°C).

In a large mixing bowl, combine the shredded chicken, crumbled bacon, mozzarella, cheddar cheese, ranch dressing, garlic powder, onion powder, and black pepper. Stir until evenly coated.

Warm the tortillas slightly in the microwave for about 15-20 seconds to make them pliable.

Spoon an ample portion of the chicken mixture onto each warm tortilla, fold gently, and place seam-side down in a greased baking dish.

Lightly brush the tops of the folded tacos with olive oil or melted butter.

Bake in the preheated oven for 15-18 minutes until edges are crispy and cheese is melted.

Cool slightly before serving, garnished with green onions and additional ranch dressing if desired.