01 -
Heat your oven to 350°F and line a baking sheet with parchment paper.
02 -
Add a splash of water to a large covered pan and wilt the spinach over medium heat. Stir occasionally until all leaves are soft and wilted. Drain in a mesh strainer, pressing out extra moisture with a spoon. Chop finely on a cutting board and let cool slightly.
03 -
Whisk the eggs in a large bowl. Add the panko, Parmesan, onion, melted butter, garlic powder, Italian seasoning, black pepper, and nutmeg. Mix well. Fold in the spinach until everything is thoroughly combined.
04 -
Shape the mixture into 32 evenly sized balls (about 1½ tablespoons each) and arrange them on your prepared baking sheet.
05 -
Bake for about 30 minutes or until the spinach balls become lightly golden brown. If using frozen balls, add an extra 2 minutes to the baking time.
06 -
Enjoy immediately while warm or let cool completely before storing in an airtight container in the refrigerator or freezer.