Combine all of your filling ingredients in a large bowl. Pick your meat choice. Pork belly is awesome in these, but so is bacon. Just make sure it's cooked thoroughly before adding to the jalapenos. Mix well with a wooden spoon.
Fill each jalapeno half with filling. It's ok to overfill these. If you're using pork belly place the pork belly in after adding the filling
Line a sheet pan with foil and grease and set your smoker up to cook at 350 degrees.
Roll out your puff pastry sheet on a flat floured surface. Cut each sheet into 9 equally sized squares.
Place a filled jalapeno filling side down on one of the puff pastry squares, and then fold the corners of the pastry over the jalapeno. Wet your hands to seal the seam.
Place each of the Jalapeno Poppers on the sheet pan, and then brush with egg wash.
Place in your smoker for approximately 20 minutes. The Puff Pastry Jalapeno Poppers are ready when the crust starts to turn golden brown.