Peel off tough membrane that covers the underside/bony side of the ribs

Combine together garlic powder, onion powder, paprika, salt, pepper, cumin and chili or Cayenne. Sprinkle seasoning over ribs and drizzle with oil. Rub the seasoning all over the ribs on both sides. Marinate overnight

Smoking Gun for 10mins

Spread the tops of the ribs with the barbecue sauce mixture.

Oven temperature to 460°F (240°C). Return ribs to the oven, uncovered, and bake for a further 10 minutes. Change oven settings to broil (or grill) on medium-high heat to lightly char and caramelise the edges (about 3 minutes).