Fill a pot of water and bring to a boil. Cook the pasta according to the package directions and drain. Set aside. Preheat a large skillet over medium heat. Add the oil and ground beef. Season with sea salt, black pepper, and paprika. Cook the ground beef until browned. Add the onion. Reduce the heat to simmer until the beef is well done and onion are tender. Add the stewed tomatoes, stirring to combine. Simmer for a few minutes more. Add the cooked macaroni. Season with a little more sea salt and pepper, as needed. Serve topped with shredded cheese as desired.