A foldable spoon being a flat blank in the initial state, and having two adjacent sections with fold lines carved so as to form a shank and a cup-shaped part in a folded state, wherein between the adjacent sections with fold lines there is a perforated boundary which contacts the fold lines of adjacent sections, the fold lines have elongated holes in the form of slits for fasten purpose arranged in such a way that one section has one hole and the other has two such holes; what is more, the fold line on one of the sections forms a retainer.