PREHEAT oven to 425°F. Scrub potatoes with a brush; pat dry. Prick potatoes with a fork. rub potatoes with oil and sprinkle with salt. Place potatoes on a baking sheet. Bake until fork tender, 40 to 50 minutes. Let stand 10 minutes.
MEANWHILE, in a large skillet cook bacon until crisp, about 8 minutes. Transfer to a paper towel-lined plate. When cool enough to handle, crumble bacon. Set aside.
CUT a lengthwise slice off the top of each baked potato; discard skin from slices. Scoop out the potato pulp into a medium bowl, leaving ¼-inch shell wall. Place potato shells on the baking sheet. Mash the potato with a potato masher until almost smooth. Add ghee, dressing, parsley, chives, dill, garlic, and black pepper. Mash to combine. Spoon seasoned potato into the shells.
BAKE potatoes until light brown on top, about 20 minutes. Sprinkle with bacon and additional chives.