Kahlua Mousse Brownies

tests dome. Cool in pan on wire rack. To serve...cut into small 4 cm squares or sieve powdered sugar over top and cut. Or, cut into 6 cm squares and serve tipped with ice cream and drizzle of chocolate sauce. Or, for a more lavish dessert, put 2 of the larger squares together with ice cream between and top with a rosette of whipped cream. ----