Set grill to medium heat.
Slice the bell peppers into ½” wide strips.
If your grill has a side burner place a pan on your side burner, add 2 tablespoons of olive oil to it and add the peppers. Grill for 15 minutes over medium heat, stirring them every few minutes. If you don’t have a side burner you can grill them in a grill pan or even on aluminum foil right on your grill along with the steak
Season steak with kosher salt and freshly ground black pepper and grill it until it reaches your desired level of doneness.
Let the steak rest for 5 minutes and then slice into ¼” strips.
Reduce grill heat to low and grill flatbreads for 2 minutes. Flip flatbreads and top with arugula, sliced steak, bell peppers, halved cherry tomatoes and Litehouse Gorgonzola Cheese Crumbles and grill for 2 more minutes.
Remove flatbread from the grill, drizzle with balsamic reduction and serve.