Preheat oven t 350° F.
Add no-stick spray to the baking dish.
Separate the pretzel bun top and bottom in one piece and place bottom of the buns into the baking dish.
Add the pork, beer cheese sauce, then Havarti cheese, then the top of the pretzel buns.
Cook for 8 to 10 minutes keep an eye on if the cheese has melted earlier each oven is different