Other ingredients can be added such as raisins, egg or various nuts.I heard that some fruits and vegetables had some lactic acids!I know that some carrot juices are lacto-fermented...So, my question is, can we replace the buttermilk or the milk (i do not know if it is more or less similar using the one or the other) by a vegetable product that contains lactic acid?Or, otherwise, if they are other