Preheat oven to 325°F.
Line a loaf pan with parchment paper.
Place butter in large pan. Place pan on stovetop over medium heat and melt butter.
Add onions, celery, bell peppers and garlic. Sauté until tender.
Stir in cream and ketchup. Cook 5 minutes. Remove from heat and allow to cool.
Pour onions/celery/peppers mixture into a large bowl
Add ground beef, ground pork, eggs, bread crumbs, hot sauce, Worcestershire sauce, salt, cayenne and black pepper. Mix well
Fill prepared pan with mixture, packing to make sure there are no air pockets.
Place in oven and bake 2 hours, or until internal temperature is 160°F.
Remove from oven and let stand at room temperature 10 minutes. Drain grease. Serve immediately or store in a tightly covered container, in the refrigerator, until ready to serve.
Reheat before serving.
Cover meatloaf slices with hot Disney's House of Blues Cajun Meatloaf Gravy.