Take the ground meat and roll it into little balls. Fry the meatballs in a pan, making sure all sides are cooked. You can season the meatballs as you wish.
After removing the meatballs, add the onions and mushrooms into the pan. Then add the salt, pepper, vegetable broth, and cream to the mix. Bring the sauce to a boil.
Add 3.5 oz of mozzarella and stir it into the sauce. This should thicken up the sauce nicely.
Now carefully fold in the cooked pasta shells and meatballs.
Sprinkle the rest of the cheese on top and bake your dish at 375°F for 20 minutes.
