I've been going through a winter home-baked potato phase lately, and was a bit disappointed that I couldn't get a really crispy skin, so I tried a bit of experimentation.
This is what I came up with.
1) Heat up your oven to 180 degrees in advance
2) Smear your raw tattie with a little olive oil, and prick all over with a fork.
3) Slow-cook your tattie in the 180 degrees oven until it is soft in the middle (times vary, check by poking with a sharp object - turn it over a couple of times)
4) Push the oven temperature up to 220 degrees for about 10-15 minutes to finish with, that last burst of heat is what produces the crispy skin.
This is what I came up with.
1) Heat up your oven to 180 degrees in advance
2) Smear your raw tattie with a little olive oil, and prick all over with a fork.
3) Slow-cook your tattie in the 180 degrees oven until it is soft in the middle (times vary, check by poking with a sharp object - turn it over a couple of times)
4) Push the oven temperature up to 220 degrees for about 10-15 minutes to finish with, that last burst of heat is what produces the crispy skin.