In a large saute pan leat the oil. Cook the onion and garlic till clear. Add the ground beef and mushrooms cooking until the beef is browned. Add salt and pepper cumin and beef concentrate. Add Coriander and set aside.

Roll out the puff pastry and cut into 10" circles. Add a spoonful of the meet mixture in center of each circle of pastry. Top with one or two egg slices. With pastry brush dampened the edges of the circle with the beaten egg, fold pastry in half and seal by pressing with fingers. Brush each empanada with egg.

Bake in pre-heated 350 F oven and bake for approx 15 min or just till golden brown