An object of the invention is to provide an instant food product containing puffed dried rice which, by enabling the water level of the hot or cold water added to the container to be gauged visually, enables the optimum amount of hot or cold water to be added, thus making the product easy to prepare.The instant food product of the invention is an in-container instant food product which can be made ready to eat simply by adding boiling water or by adding hot or cold water and heating the product in the microwave, the instant food product containing puffed dried rice that sinks in water. In the instant food product of the present invention, because the puffed dried rice sinks in water, the water level in the container can be gauged visually. The preferred bulk specific gravity of the puffed dried rice that sinks in water is 0.55 g/mL or higher. In the instant food product of the present invention, the dried rice does not need to be removed from the container at any stage during preparation.本發明之目的係在於提供一種速食食品,其內裝有可方便調理之膨發乾燥米,該膨發乾燥米因為於注入熱水或水後,可目視注入於容器內之水面,故可注入適量的熱水或水。本發明之速食食品係為一種置入容器中之速食食品,僅注入熱水,或注入熱水或水後再以微波爐加熱即可食用,其特徵為:沉入水中之膨發乾燥米係內裝於容器中。本發明之速食食品,藉由讓所使用之膨發乾燥米沉入水中,而可目視容器內之水面。沉入水中之膨發乾燥米之較佳容積比重為0.55g/mL以上。本發明之速食食品於調理時,不必先將容器內之乾燥米從容器拿出後再進行調理。