Take ground chuck and mix in the seasoning salt, Montreal seasoning and paprika. Form patties or ball shapes. Add to pan and place on high heat.
Once those have finished cooking, place on a baking sheet and sprinkle Parmesan cheese on top. Bake in oven for 2 to 3 minutes.
In the pan that you cooked the meatballs in, add your favorite pasta sauce and heat for a minute or two. Scoop out the insides of the french loaf and add them to the sauce. Cook for one minute and add the meatballs back into the sauce/bread mixture. Begin to assemble your sub and add in mozzarella cheese at the very end. ENJOY!.