This recipe is for 2 people

add your meatballs to the crock pot

pour in the pasta sauce add the chopped onion

let cook on high 2-4 hours

when the meatballs are done preheat oven to 400°F add the hoagie buns until they are toasted

add your sliced cheese on the buns add your meatballs on top of the cheese

cut the sandwich in half and enjoy