- Oven: Preheat to 220 °C (425 °F).
- Take the ribs out of the bag.
- Use parchment paper or a sheet of aluminum foil to protect a baking sheet. Put the ribs there.
- If frozen, bake for 25 to 30 minutes; if thawed, bake for 17 to 23 minutes. If desired, baste the ribs with sauce halfway through cooking.