preheat oven to 350. mix sour cream, eggs and sugar in a mixer, add 1 cup of flour at a time. and mix well, have a 9inch cake pan greased and floured. take mix out and need only a few times with floured hands. Put into greased pan. make sure mix is all the way to the edge. make a cross in the dough and sprinkle some flour on top. Bake till golden brown. test to make sure not doughy inside. about 50 minutes.