In a heavy saucepan or microwave, melt chocolate and butter. Cool slightly. In a mixing bowl, beat the eggs, sugar and flour. Stir in the chocolate mixture. Pour into a greased 9-in. square baking pan. Bake at 350 degrees F for 20-25 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack.
In a mixing bowl, combine the filling ingredients; beat until creamy. Spread over brownies. For glaze, melt chocolate chips and butter; stir until smooth. Spread over filling. Refrigerate until filling and glaze are set.
In a mixing bowl, combine the filling ingredients; beat until creamy. Spread over brownies. For glaze, melt chocolate chips and butter; stir until smooth. Spread over filling. Refrigerate until filling and glaze are set.