Spicy BBQ Balsamic Ribs

1: Preheat oven to 250°F.

2: Combine spice rub ingredients in a small bowl and whisk well.

3: Cut loose the membrane on the back of the ribs with a pairing knife and pull it off by hand.

4: Apply a light coat of Dijon mustard around the ribs and sprinkle with spice mix.

5: Rub spices evenly around the ribs and wrap tightly in several layers of aluminum foil.

6: Place ribs on a baking sheet, meat side down and bones side up.

7: Bake for 2 hours, then flip ribs to meat side up and bake for 1.5 hours longer.

8: Check if rib meat is tender enough to pull away from the bone.

9: If using a grill, heat on high; if using a broiler, set to high with the rack just below the heat source.

10: Combine BBQ sauce, sriracha, and balsamic vinegar in a small bowl and whisk well.

11: Brush an even layer on the top and bottom of the ribs.

12: Grill ribs with the meat side down or broil meat side up until charred and caramelized.

13: Slice and serve.