PROBLEM TO BE SOLVED: To provide a swollen food that contains a large quantity of functional components contained in rice bran and also has excellent texture, and a method of producing the same.SOLUTION: A swollen food contains defatted rice bran and starch. 90 mass% or more of the starch is amylopectin. The content of defatted rice bran is 0.3-1.2 pts. mass relative to the starch 1 pt. mass.【課題】米糠に含まれる機能性成分が多く含まれ、しかも食感が良好である膨化食品及びその製造方法を提供する。【解決手段】脱脂米糠及びデンプンを含み、前記デンプンの90質量%以上がアミロペクチンであり、かつデンプン1質量部に対し、脱脂米糠を0.3~1.2質量部含有する、膨化食品。【選択図】なし