Mix honey and sriracha sauce. Mix 1 tablespoon of honey sriracha sauce into mayonnaise. Set aside.
Slice pork belly into thin slices and place on hot griddle over medium high heat then cook until crispy on both sides. Before removing from the griddle, glaze with honey sriracha sauce and turn once, glaze again. Remove from griddle and glaze with more sauce if desired.
Assemble sandwiches as follows, spoon a teaspoon of honey sriracha mayo on the bottom half each bun. Top with pork belly, with cabbage slaw, and cilantro if using. Drizzle a little more sriracha mayo over top.
Notes
Air Fryer: Place the pork belly slices in a single layer in the air fryer and cook at 395°F for 7-10 minutes, until crispy. Glaze with honey sriracha sauce, then air fry for 1 minutes longer.