Step 1

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

Step 2

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

Step 3

Remove from the refrigerator and with paper towels, pat down surfaces of meat to completely dry. Arrange on a roasting pan fitted with a rack.

Step 4

Bake in a preheated 180 F oven for about 3 to 3 1/2 hours.

Step 5

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 6

Increase temperature to 430 F and continue to cook for about 40 to 50 minutes or until skin is golden and crunchy.

Step 7

Remove roast pig from oven and allow to rest for about 5 to 10 minutes before slicing.