Score the skin on the pork belly using a small sharp knife or box cutter. This is so that the meat can expand and not shrink up with the skin. If you're unable to score the skin, pierce it with a knife all over like you would a baked potato. BE CAREFUL as the skin is very tough!
Rub down the pork belly with salt, pepper and avocado oil.
Cook pork belly at 450 for 30 minutes and then turn off the oven letting the residual heat roast the rest of the pork for about 20 minutes. This time may vary on the size of your pork belly so make sure the internal temperature reaches 165
Let pork belly cool enough to handle and slice into quarter inch slices
Heat up ghee in a cast iron skillet over medium high heat.
Sear each pork belly piece on both sides until desired crispness is reached.
Sprinkle with additional seas salt if needed and serve immediately