Combine cereal, flour, baking powder, baking soda, salt and sugar in 1 litre mixing bowl. Mix well. Add buttermilk, egg whites, safflower oil and molasses. Stir to combine (disregard any small lumps). Stir in currants. Chill, covered airtight, at least 4 hours to thicken. Drop 2 TBS thickened batter, 5 cm apart, onto greased baking sheets. Sprinkle with more cereal, if desired. Bake in center of 425-degree oven until tops have taken slight tinge and edges are very lightly browned, abou 8-9 minutes, rotating pans if browning irregularly. Do not overbake. Cool o racks. Makes 16 (3-inch) muffies.