Soak beans for 12 hours or overnight then drain. Season pork with oil and 1 tbsp (15 mL) (or 6 tbsp) (90 mL) for 24 servings) of seasoning. Marinate meat for 20 minutes. Preheat oven to 375°F (190°C). Preheat grill to medium-high heat. In a large saucepan on medium-high heat sauté onions with butter for 2 minutes. Add beans and the remainder of the seasoning; sauté for 1 minute. Dissolve rice flour with beef stock and water; add to beans. Bring to boil cover and place in preheated oven for 1-1/2 hours. Place pork on grill cook on all sides until internal temperature reaches 160°F (71°C). Allow meat to rest for 10 minutes before slicing into 12 slices (or 72 slices for 24 servings). To serve place 1/2 cup (125 mL) of beans on plate. Place 3 slices of pork on top of beans.