370 cake flour / plain flour 270 castor sugar 180g soda drink ( i use f&n orange) 5 egg Method 1. Beat egg and sugar until fluffy about 20min medium speed. 2. Add sieved flour and soda drink alternately.combine well. 3. Pour the cake batter into prepared 8" bamboo basket. 4. Steam over high heat for about 40min to 50min.