The invention provides a plant protein ingot, which comprises a column with an upper surface and a lower surface, and a circular arc peripheral edge, wherein the peripheral edge is interposed and connected between the upper surface and the lower surface, and the column comprises an extracellular polysaccharide and a peptide fermentation product.本創作提供一種植物性蛋白錠,包含:一柱狀體,具有一上表面及一下表面;以及一環狀之圓弧面的周緣,其中該周緣介於該上表面及該下表面之間並於其連接,其中該柱狀體包含一胞外多醣及一胜肽的發酵產物。