01 -
Mash the feta in a bowl using a fork until it crumbles evenly.
02 -
Mix in the beaten egg, grated Gruyère, finely chopped mint leaves, and some black pepper to taste.
03 -
Drizzle a teaspoon of olive oil and stir everything well with the fork.
04 -
Slice the pastry sheets in half lengthwise. Fold each piece into long strips, spoon some filling at the bottom, and fold into a triangular shape.
05 -
Use a kitchen brush to coat the surface of each pastry with olive oil.
06 -
Preheat the oven to 180°C. Place the triangles on a sheet lined with parchment paper and bake for 20 minutes.