Can these meatballs be frozen without losing moisture? If so, how?

When I make a batch of meatballs, I freeze on a rimmed sheet pan, keeping them separated. Once frozen, I vacuum-seal divided into a dinner's worth package. They thaw wonderfully in either the fridge or as Emma suggests, right in the sauce.

Hey Suzy! I love freezing cooked meatballs. You can reheat them in the oven on a sheet pan (either uncovered or covered), but reheating them in a sauce would help them stay even moister.