Preheat oven to 375° F
Stick potatoes all over with a fork and bake in oven until tender, about 1 hour
When cooled, slice in half and scoop potato from skin leaving a thin wall for support
Brush with olive oil, season with salt and pepper, and bake 5-10 minutes on each side until crispy.
Arrange on a platter and fill with feta, olive bruschetta and scallions.