Spoon about 1/2 tablespoon hazelnut spread onto centre of each square; spread to within 1/2 inch of edges. In small bowl, gently stir together hazelnuts and chopped pear. Spoon 1/8 pear mixture over hazelnut spread on each square. Fold corners over filling, forming triangles; press edges with fork to seal. Place on ungreased baking sheet. Prick tops of each with fork.