01 -
In a large bowl, combine ground beef, spinach, garlic, breadcrumbs, Parmesan, egg, salt, pepper, and Italian seasoning. Mix gently until well combined.
02 -
Take 1–2 tablespoons of the meat mixture, flatten in your palm, place a cube of mozzarella in the center, and wrap the meat around to fully enclose the cheese. Roll into a ball.
03 -
Heat olive oil in a skillet over medium heat. Add meatballs in batches and cook 4–5 minutes per side until golden and fully cooked. Transfer to a paper towel-lined plate.
04 -
To keep warm or for a lighter option, bake cooked meatballs at 400°F (200°C) for 15–20 minutes, turning once halfway through.