Preheat over to 375° degrees Fahrenheit.
Line a sheet pan with foil paper. Set aside.
In a large bowl, combine the ground beef, onions, eggs, garlic, ketchup, bread crumbs, heavy cream, salt, pepper, onion powder, garlic powder, Italian seasoning, cheese, and pickles.
Add meat to pan and shape into a square loaf and bake at 375 for 35 minutes.
In a small mixing bowl, combine ketchup, mustard, vinegar, black pepper, and brown sugar.
Spread sauce over meatloaf and return to oven and bake an additional 15-20 minutes or until meatloaf reaches an internal temperature of 160.