* There is no substitute I know of for this, check specialty stores. Rub the cottage cheese through a fine sieve, if desired, and mix with the milk, oil, sugar, vanillin sugar and salt. Mix and sieve together the flour and the Backin (baking powder) and add to the mixed ingredients, a little at a time, until slightly more than half has been used. Knead in the rest of the flour. this is the base for several recipes