In a large bowl, combine beef, sausage, salt, garlic powder, pepper, basil, half of the parmesan, egg, bread crumbs, water. It works well to squish the mixture with your hands.
2. Step
Shape the meatballs into balls roughly larger than a golf ball, or desired size.
3. Step
Coat a large pan with olive oil and bring to a medium-high heat.
4. Step
Brown the meatballs on all sides.
5. Step
Set aside meatballs and remove excess grease.
6. Step
Return the meatballs to the hot pan, add marinara sauce and simmer for 15 minutes, or until meatballs are cooked through.
7. Step
Cut a long rectangle through the top of the bread loaf and partially unstuff the loaf.
8. Step
Layer the bottom of the loaf with half the mozzarella, cooked meatballs, sauce, then top with the rest of the mozzarella and parmesan.
