Meatball Sub

When you have leftover meatballs all you need is:

Italian panini buns
Tomato sauce
Onions 
Olive oil
Butter
Balsamic vinegar
Shredded Mozzarella
Parmesan


Sorry, no quantities for this recipe, it all depends on how many meatballs you have and how many subs you want to make.  I was only making 2 here so I started with 8 Italian meatballs.

Spray a loaf pan with cooking spray. The buns will stand up nicely in it.

Heat the meatballs in your favourite tomato sauce.
While that is simmering, heat a frying pan and add a tablespoon or 2 of olive oil and butter. Fry up some sliced onions and de-glaze the pan with a splash of balsamic vinegar.

Split the buns, but not all the way through.  Fill with meatballs, fried onions and tomato sauce.

Top with some shredded mozzarella and sprinkle some parmesan on too if you like.

Bake them in the oven at 400 F until cheese is melted and the bun is warm and crispy.

A salad on the side finishes this quick meal off right.