Preheat oven to 500ºF. In a skillet on medium heat, cook Italian sausage; drain the fat. Return skillet on the burner and add ground beef; cook and season with black pepper and garlic. Drain ground beef and set aside.
On 2 pizza crust, spread tomato paste and BBQ sauce, leaving about 1-inch from the edge. Squeeze out yellow mustard, covering the surface. Add smoked, meat, garlic sausage, ham, bacon, Italian sausage and ground beef. Place red onion and red pepper slices followed by mushrooms; season with Italian seasoning, Herbed de Provence, garlic salt and freshly ground black pepper. Sprinkle Cheddar and Pepper Jack cheese on top.
Transfer pizza to preheated oven and bake for 16 minutes or until crust is golden brown and cheeses are melted. Let it sit 5 minutes before slicing.