01 -
Preheat oven to 200°C. Line a large rimmed baking sheet with foil for easy cleanup, if desired.
02 -
In a large sauté pan, heat olive oil over medium heat. Add chicken breast, season with salt and pepper, and cook for 10-12 minutes or until fully cooked and no longer pink inside. Remove from pan and shred using two forks.
03 -
Return shredded chicken to the pan. Stir in buffalo sauce and ranch dressing, mixing until chicken is evenly coated. Simmer for 1-2 minutes to blend flavors.
04 -
Spread tortilla chips in an even layer on the prepared baking sheet. Distribute the buffalo chicken mixture evenly over the chips. Sprinkle with shredded Colby Jack cheese.
05 -
Bake in the preheated oven for 5-7 minutes, or until the cheese is fully melted.
06 -
Remove baking sheet from oven and immediately top nachos with sliced green onions. Serve warm, optionally with extra ranch dressing on the side.