Steamed Green Tea Cake with Black Sesame Seeds

Copy from : All Recipe

Ingredients

1 1/2 cups cake flour
1/2 teaspoon baking powder
2 teaspoons powdered green tea

6 egg yolks
1 1/4 cups white sugar
2 1/2 tablespoons water
1 1/2 teaspoons vanilla extract
6 egg whites

2 teaspoons black sesame seeds, garnish
Directions
Set a bamboo steamer large enough to contain a 9x9 inch pan over simmering water. Sift together the cake flour, baking powder and green tea powder. Set aside.
In a large bowl, combine the egg yolks, sugar, water and vanilla extract. Using an electric mixer, beat on medium speed until mixture has tripled in volume. Fold in the flour mixture, mixing just until combined.
Beat the egg whites until they form stiff peaks. Gently fold whites into the egg yolk mixture. Pour batter into the cake pan.
Place cake pan in steamer. Stretch a kitchen towel over the cake pan without touching the surface, then cover with steamer lid. Steam cake for 20 minutes, or until a toothpick inserted in the center comes out clean. Cool on wire rack. Sprinkle with black sesame seeds and cut into pieces before serving.