PROBLEM TO BE SOLVED: To provide a method for manufacturing a paste-like soybean milk product 50, eliminating the restriction such that a soybean milk 40 as raw material should be concentrated, further not requiring the use of an additive such as oil fat in a heat treatment, and further obtaining smooth sense of touch.SOLUTION: A method for manufacturing a paste-like soybean milk product 50, which is a method for manufacturing a paste-like food using soybean milk 40 as raw material, includes: a reduced pressure heating process of heating the soybean milk 40 as raw material under the decompression condition which is lower than the atmospheric pressure by 0.08-0.05 Mpa, wherein in the heating process, the temperature of a contact surface with the soybean milk 40 is 115°C or less.COPYRIGHT: (C)2014,JPO&INPIT【課題】原料となる豆乳40を濃縮しなければ成らないといった制約を無くすと共に、更に加熱処理に際して油脂などの添加剤の使用を不要にし、更になめらかな触感を得ることのできるペースト状豆乳製品50の製造方法を提供すること。【解決手段】 豆乳40を原料とするペースト状食品の製造方法であって、原料となる豆乳40を、少なくとも大気圧よりも0.08~0.05MPa低い減圧条件下で加熱する減圧加熱工程を含み、当該加熱工程は、豆乳40との接触面の温度を115℃以下とするペースト状豆乳製品50の製造方法とする。【選択図】図1