Easy Blackstone Chicken Fajitas

Name: Easy Blackstone Chicken Fajitas
Ingredients: 1/2 cup avocado oil (or your favorite high heat oil); 2 tablespoons lime juice; 2 teaspoons chile powder; 2 teaspoons sea salt; 1 teaspoon garlic powder; 1 teaspoon ground cumin; 1/4 teaspoon cayenne pepper; 2 1/2 pounds boneless skinless chicken (cut into 1/4 inch strips); Oil (for the griddle); 2 yellow onions (sliced); 2 bell peppers (cut into strips); 8 tortillas (corn or fajita-sized flour); For Serving: shredded cheddar cheese (sour cream, lime wedges, tomatoes, cilantro or salsa)