Disclosed is a no- or low-sugar wafer or wafer batter that is moisture resistant or moisture tolerant, containing 0 to 15 percent by weight sweetener based on the weight of the wafer, or an expanded extruded cereal product comprising maltodextrins or fructooligosaccharides, wherein said maltodextrins or fructooligosaccharides have a monodisperse molecular distribution and wherein the distribution of maltodextrin or fructooligosaccharide molecules is such that: - The polydispersity index (PDI) is 18 or above； - 0 to 30 percent by weight of molecules have a degree of polymerisation of 5 or below； - Greater than 40 percent by weight of molecules have a degree of polymerisation from 6 to 300； and - The highest DP values are greater than 1000.
