01 -
Preheat oven to 400°F (200°C).
02 -
Heat olive oil in a skillet over medium heat; add chopped onion and minced garlic, sauté until translucent.
03 -
Add spinach to the skillet and cook until wilted; season with salt and pepper. Remove from heat and let cool slightly.
04 -
Combine cooked spinach mixture with crumbled feta and ricotta cheese in a mixing bowl, mixing thoroughly.
05 -
Roll puff pastry on a floured surface and cut into squares.
06 -
Place a spoonful of filling in the center of each square, fold over, and seal edges with a fork.
07 -
Brush tops of pastries with beaten egg for a golden finish.
08 -
Arrange pastries on a baking sheet lined with parchment paper and bake for 20-25 minutes or until golden brown.
09 -
Allow pastries to cool slightly before serving.