In a heavy saucepan, melt butter and chocolate chips over low heat. Cool slightly. In a large bowl, beat eggs and brown sugar. Dissolve coffee crystals in water; add to egg mixture with melted chocolate. Mix well. Combine baking powder and flour; stir into chocolate mixture. Spread in a greased 23 cm square baking pan. Bake at 180ºC or 30-35 minutes or until brownies test done. Cool. For filling, melt chocolate chips; cool. In a mixing bowl, beat cream cheese until fluffy; add confectioners' sugar and jam. Stir in melted chocolate; spread over cooled brownies. For glaze; spread over cooled brownies. For glaze, melt chocolate chips and shortening. Drizzle over filling. Chill before cutting. Store in the refrigerator.