Preheat oven to 275 degrees
In a small bowl mix dry rub until combined and set aside
Rinse pork ribs and pat dry with paper towels
Remove the membrane from the back of the ribs, I've provided a how-to link above.
Spread the dry rub all over the ribs making sure to cover both sides.
Wrap ribs tightly in foil meat side up, and place on a baking sheet
Bake for 3 hours for spare ribs, 2 hours for baby back ribs, or until fork tender
Open the foil and drain the liquid from the ribs. Brush your favorite barbecue sauce on the ribs, and broil for 5 minutes
Remove and let the ribs rest for 5-10 minutes before cutting. Serves 4-6