The present invention includes a fat up to 20% by weight, nonfat milk solids content of up to 25% and (MSNF), 5 to 40 wt% of a sweetener, a stabilizer and / or emulsifier up to 3% a frozen confectionery product comprising a hydrolyzed whole grain composition, a frozen confectionery product against dietary fiber further comprises a α- amylase or fragment thereof which does not exhibit hydrolytic activity when in the active state. .The本発明は、最大20重量%までの脂肪と、最大25%までの無脂乳固形分(MSNF)と、5~40重量%の甘味料と、最大3%までの安定剤及び/又は乳化剤とを含む冷凍菓子製品であって、加水分解全粒穀物組成物と、活性状態にある場合に食物繊維に対して加水分解活性を示さないα-アミラーゼ又はその断片とをさらに含む冷凍菓子製品に関する。【選択図】 図2