To provide a sesame seed sesame seed which is difficult to separate from solids and oils even after standing still for a predetermined period without separately adding additives, and which prevents a decrease in flavor as necessary Thereby providing a manufacturing method.SOLUTION: A sludge which is obtained by crushing sesame into a paste form and having a 50% cumulative diameter of 100 m or more of the above-mentioned sesame sesame and having a size of 100 after standing at 50 C. in a columnar container for 6 days, The oil separation degree defined by (oil layer thickness) / (total thickness of precipitate layer and oil layer) is less than 10%.(FIG.【課題】添加剤などを別途添加することなしに、所定期間静置後においても固形分と油分とが分離しにくい難分離性であり、必要に応じて風味の低下も防止したねり胡麻とその製造方法を提供する。【解決手段】胡麻を粉砕してペースト状にしてなるねり胡麻であって、上記ねり胡麻の50%積算径が100μm以上であり、柱状容器内に50℃で6日間静置後における、100×(油分層の厚み)/(沈殿物層と油分層との合計厚み)で定義される油分離度が10%未満である。【選択図】図3