Fry onion in oil for 2 minutes. Add curry powder, stir over heat for 1 minute. Add vegetables, stir fry for 3 minutes. Add beansprouts, coriander. Season. Mix, set aside. Set oven 190C, 190ÂșC , Gas Mark 5. Lay out filo sheets. Cut in half. Brush with butter. Place one eigth of filling ner bottom edge of pastry pieces. Roll up and tuck in ends to seal. Brush with more butter. Place on a baking sheet. Bake for 20 minutes or until crisp and golden.