Preheat the oven to 450°F and grease a 9x13 inch casserole dish
In a large bowl, combine the hashbrowns, cream of mushroom soup, pepper jack cheese, heavy cream, sour cream, Parmesan, garlic powder, onion powder, and paprika
Pour into the prepared casserole dish and spread evenly
Bake for 30 minutes
While baking, melt the butter and crush the crackers, then mix together in a small bowl
Remove the casserole from the oven and sprinkle the cracker mixture evenly over the top
Add the bacon pieces on top of the crackers
Return to the oven and bake for an additional 10 to 15 minutes until golden and bubbly