Roll puff pastry to 1/8 inch thickness. Cut into 24 (4 inch) squares. Roll cheese wedges in pastry, tucking in ends. Place on ungreased cookie sheet. Melt 4 T. butter; brush on pastry. Bake at 350 degrees for 20 minutes or until pastry is golden brown. In small saucepan, heat jam and lemon juice together. Serve as a dipping sauce.