Method: 1) Whisk Ingredient A over high speed till thicken and risen (about 5 mins). 2) Reduce speed, whisk for another 1 min (turn off switch). 3) Fold in Ingredient B lightly. 4) Pour in Ingredient C, mix well. 5) Pour batter into prepared paper cups in muffin pans. 6) Steam for 15 mins, let cool, spread with chocolate topping.