Russian Biskvit - October 25, 2011 4:05 am Russian Biskvit (Sponge Cake) is very easy to make and will serve a delicious fluffy dessert on any table. Method: Whip sugar and eggs in mixer; add flour and baking powder to it. Add chopped dried fruits to your taste. Pour in a greased mold and bake until golden and fluffy. Ingredients: 4 ea eggs. 1 c sugar. 1 c flour. 1/4 ts baking powder.