Choose a pork belly slab with skin on or off
Pat the pork belly dry
Score the skin or fat if desired
Season with salt and pepper
Add garlic, paprika, brown sugar, or other preferred spices
Preheat the oven to 300–325°F
Place the pork belly on a rack in a roasting pan
Roast until tender, about 2.5 to 4 hours depending on size
Increase the oven temperature to 425–450°F
Roast until the skin or exterior is crisp and browned
Remove from the oven and rest for 10–15 minutes
Slice and serve