01 -
Heat vegetable oil in a skillet over medium heat. Add minced garlic and cook until fragrant, about 1 to 2 minutes. Stir in thawed and drained spinach, cooking for 3 to 5 minutes until warmed through. Season with salt and mix thoroughly. Transfer to a bowl and combine with crumbled feta cheese.
02 -
Preheat the oven to 400°F (200°C). Grease two baking sheets to prepare for baking.
03 -
Lay one sheet of puff pastry on a lightly floured surface and cut it in half lengthwise. Roll out one half with a rolling pin until it is wide enough to fold twice lengthwise. Mix the beaten egg and milk together in a small bowl.
04 -
Spread 1/6 of the spinach mixture lengthwise in the center of the rolled-out puff pastry. Fold one side over the spinach mixture and brush the other side with the egg mixture. Roll the pastry over again to seal securely.
05 -
Brush the top of the roll with the egg mixture and sprinkle with sesame seeds. Cut the roll into six equal-sized pieces. Repeat the process with the remaining puff pastry sheets.
06 -
Place the prepared spinach rolls onto the greased baking sheets. Bake in the preheated oven for 20 to 25 minutes, or until the rolls are puffed up and golden brown.