In a large mixing bowl, combine the ground chicken, crushed Oreo cookies, cheddar cheese, ranch dressing, panko breadcrumbs, green onions, garlic powder, onion powder, salt, and pepper. Mix until well incorporated.

Divide the mixture into four equal portions and shape each into a round patty, about ¾ inch thick.

Preheat a grill or skillet over medium heat for about 3-5 minutes, lightly oiling the surface.

Cook the patties on the heated surface for 5-6 minutes on each side until golden-brown and cooked to an internal temperature of 165°F.

Toast the hamburger buns cut-side down on the grill or in a separate skillet for 1-2 minutes until lightly browned.

Assemble the sliders by placing each chicken patty on a toasted bun and adding optional toppings.

Serve hot alongside crispy fries or a light salad.