Place the pork joint in your slow cooker pot. Blend the Pulled Pork Sauce Mix with the water and pour over the pork. Cover and cook for 4 hours on HIGH or 8 hours on LOW or until the meat is tender and cooked through (keep covered during cooking, cooking times may vary between slow cooker models).
Make the salsa by mixing all the ingredients together.
Heat a heavy-based pan of oil to 180oC. Meanwhile put the flour, water and plenty GR Cajun Sprinkle into a bowl, whisk together to form a batter. Coat the onion rings with the batter and dip into the breadcrumbs. Deep-fry for about 2-3 minutes until crisp and golden. Remove with a slotted spoon and place on a piece of kitchen towel to drain.
Once the meat is ready, use 2 forks to shred the pork into bite size pieces. Mix the pork into the sauce and stir in the honey.
Assemble the burgers by slicing the brioche bun, add a spoonful of pulled pork and a spoonful of mango salsa. Top with the lid of the brioche bun and an onion ring. Hold in place using a small wooden skewer.