Can I make these meatballs ahead of time?
Yes. Form and stuff the meatballs up to 24 hours ahead, refrigerate on a baking sheet, then bake when ready. This also helps them hold their shape better.
How do I keep the cheese from leaking out during cooking?
Seal the mozzarella cube completely inside the chicken mixture and avoid overfilling. Chilling the meatballs for 15–30 minutes before baking also reduces leakage.
What's the best way to cook these—baking, frying, or air-frying?
Baking at 400°F for 15–18 minutes is easiest and cleanest. Pan-frying or air-frying work too but require more attention to avoid burning the sauce.
Can I use store-bought mozzarella or string cheese instead of fresh?
Yes. Cut string cheese into smaller pieces or use fresh mozzarella balls. Avoid pre-shredded cheese, which melts unevenly and may leak.
How many servings does this recipe make?
This recipe yields 8 meatballs (one per mozzarella cube). As an appetizer, this serves 4 people; as a main, 2–3 people with sides.