The present disclosure relates to a method for producing a composite biscuit product, the method comprising:forming a filling comprising a yoghurt powder and from 10 to 30wt% of dry starch, based on the total weight of the filling, wherein the filling has an Aw of from 0.05 to 0.25 and contains live lactic cultures having a cell count of at least 107 cfu/g;contacting the filling with one or more biscuit parts to form a composite biscuit product.