This cream cheese spinach puffs are the perfect party appetizer!

Into a mixing bowl, add the spinach, cream cheese, mozzarella cheese, and one egg. Season with a pinch of salt and pepper and mix everything.

Divide the spinach mixture into each square and fold two opposite edges of each square, pressing them tightly.

Brush all the spinach puffs with egg yolk. Bake for 25 to 35 minutes or until golden.