Problem to be solved: to provide a buttered liquid for deep fried foods, which can be used for oil cooking, which is unique to the oat foods and has a smooth texture and moist texture, and an oil frozen frozen food containing the batter liquid, and a method of producing an oil frozen frozen food using the batter liquid.Solution: a powder material containing thin powder, a strong powder, a thickened polysaccharide, and a batter liquid for mixing a batter raw material containing water, and a content of the strong powdered material to the powdery material contained in the batter liquid is 5 mass% or more and 50% by mass or less, and said powder It is characterized in that the water content of 100 parts by mass of the body material is 130 parts by weight or more and 160 parts by weight or less, and the viscosity of the batter liquid for the deep fried substance is less than 4000 CP or more thanBatter liquid.No selection【課題】油ちょう食品特有の、パサつきがなくふんわりした食感やしっとりした食感を実現できる揚げ物用バッター液、該バッター液を用いた油ちょう済み冷凍食品、及び該バッター液を用いた油ちょう済み冷凍食品の製造方法の提供。【解決手段】薄力粉と、強力粉と、増粘多糖類とを含む粉体原料と、水とを含むバッター原料を混合した揚げ物用バッター液であって、前記バッター液に含まれる前記粉体原料に対する前記強力粉の含有量割合が、5質量%以上50質量%以下であり、前記粉体原料100質量部に対する加水量が130質量部以上160質量部以下であり、且つ、前記揚げ物用バッター液の粘度が4000cP以上9000cP以下であることを特徴とする、揚げ物用バッター液。【選択図】なし