01 -
Set oven to 400°F (200°C) and line a baking sheet with parchment paper.
02 -
Heat olive oil in a skillet over medium heat. Sauté chopped spinach until wilted, then cool slightly.
03 -
In a bowl, combine wilted spinach, ricotta, grated Parmesan, garlic powder, salt, and pepper until mixture is smooth.
04 -
Unfold the thawed puff pastry sheets and cut each sheet into 4 to 6 equal squares.
05 -
Place 1 to 2 tablespoons of spinach filling in the center of each pastry square. Fold pastry into triangles or rectangles and press edges with a fork to seal.
06 -
Brush the tops of the filled pastries with beaten egg to ensure a golden finish.
07 -
Bake for 20 to 25 minutes, or until pastries are puffed and golden brown.
08 -
Allow pastries to cool for 5 minutes before serving. Optionally, serve with tzatziki or marinara sauce.