For the sponge dough, as the name suggests, mix all the ingredients together to form a dough. This will add volume to the dough, making it fluffy.
Stir in the flour mixed with baking powder only more with a few strokes.
For the sponge dough, as the name suggests, mix all the ingredients together to form a dough. This will add volume to the dough, making it fluffy.
Stir in the flour mixed with baking powder only more with a few strokes.