Do not overmix the meat; this keeps meatballs soft, not tough.

Grating the onion instead of chopping makes the meatballs more tender.

Use freshly shredded cheese—it melts better than packaged.

Bake on high heat to get a nice golden crust.

Let meatballs rest 5 minutes before serving so flavors settle.

Freeze leftovers in sauce for up to 3 months.

Conclusion (short)

These Ultimate Baked Cheesy Meatballs are rich, tender, and loaded with flavor—perfect for family dinners or entertaining guests. Enjoy them with your favorite sides!