In a small bowl, mix together 4 tsp of Cajun seasoning, ½ tsp of salt, and ½ tsp of ground black pepper. Set aside.
In a separate medium bowl, mix together 2 cups of ketchup, ½ cup of white vinegar, 2 Tbsp of honey, and 2 Tbsp of Worcestershire sauce. Stir until well combined. Set aside.
Trim the fat from the ribs if needed. Remove the membrane from the underside (if you’ve never done that before, here’s a handy tutorial from Youtube).
Now rub the spice mix all over both sides of the ribs, ensuring they are evenly coated. Now, cut the ribs into 2-rib sections.
Place the ribs on a baking sheet. Broil them on high for 4-5 minutes, then flip over and cook another 4-5 minutes, or until the ribs are browned. They do not need to be fully cooked at this stage.
After broiling, transfer the ribs to your slow cooker. Pour the sauce mixture over the ribs in the slow cooker, and toss to coat them evenly.
Cover the slow cooker with a lid and cook on high for 4-5 hours, or on low for 7-8 hours, until the ribs are tender and easily pull apart. I cooked mine 4 Once cooked, remove from the slow cooker and serve. The extra sauce in the slow cooker tastes great over rice, mashed potatoes or pasta. Enjoy!