Wash and peel sweet potato and then spiralize using the spaghetti noodle attachment on your spiralizer
Store ingredients separately until ready to prepare
Add noodles, then meatballs to lunch crock and top with sauce
Add cover and lid and plug in
Let heat for 1 1/2 to 2 hours until meatballs heated through and sweet potatoes are tender crisp
Serve with grated parmesan