- Place ribs in a large stock pot with BBQ sauce, onion, salt, and pepper.
- Pour in enough water to cover.
- Bring to a low boil, and cook approximately 40 minutes.
- Preheat grill for high heat.
- Lightly oil grate.
- Remove spareribs from the stock pot, and place on the prepared grill.
- Use the BBQ sauce in the saucepan to baste ribs while cooking.
- Grill ribs, basting and turning frequently, for 20 minutes, or until nicely browned.