Step 1

With a knife, pierce the skin a few times, making sure not to cut through the meat.

Step 2

Pour vinegar over and massage on meat. Rub salt, garlic powder, and pepper all over the meat.

Step 3

Refrigerate, uncovered and skin side up, overnight to chill.

Step 4

With paper towels, pat down surfaces of meat to completely dry. Arrange on a roasting pan fitted with a rack.

Step 5

Bake, uncovered, in a preheated 180 F oven for about 4 1/2 to 5 hours.

Step 6

Increase temperature to 320 F and continue to cook for about 1 1/2 to 2 hours or until meat is cooked through and browns.

Step 7

Increase temperature to 430 F and continue to cook for about 30 to 40 minutes or until skin is very crisp and a thermometer inserted in the center of the pork reads 145 F.

Step 8

Remove from oven and allow to rest for about 10 to 15 minutes before slicing.