For Partially Cooked Pork Ribs:
Fill a stock pot ½ of the way with water then add the onions, peppercorns, salt and celery. Let water come to a boil and add racks of ribs. Boil ribs for 45 minutes- add water if needed. Remove ribs from water and let cool down.
For Guava BBQ Sauce:
Simmer all ingredients together for 10 minutes making sure not to burn. Let cool and use immediately. Store any extra in an airtight container and refrigerate. Use as needed.
For Guava Pork Ribs:
Marinate ribs in guava BBQ sauce. Portion by cutting ribs in half and wrap in plastic wrap.
Pre-heat oven 375°. Place wrapped ribs in sheet pan and cover with aluminum foil. Allow ribs to cook for 1 hour. Take out of oven and let rest 5-10 minutes until ready to serve