Wash potatoes and make 1/8"-1/4" vertical slices along the length of the potato. Make sure you do not go through the bottom.
Coat each potato in 1 tablespoon of fat.
Place in a casserole dish and bake for 30 minutes.
Remove potatoes from oven and coat each potato with another tablespoon of fat making sure to get in between the slices.
Continue baking for another 30 minutes.
minutes before the potatoes are done pull them out of the oven and place thin slices of cheese in between the slices of potato. If the cheese does not fully melt place back in the oven for 5 more minutes or until the cheese is melted.