A method for producing a seed suspension (SSP) is disclosed, the method comprising the steps of: —providing an edible fat (EDF) being melted, —feeding said edible fat (EDF) through a processing zone (PZ), and —performing a crystallization step in said processing zone (PZ) to obtain said seed suspension (SSP) by —subjecting said edible fat (EDF) to a cooling temperature (CT) below 30 degrees Celsius in said processing zone (PZ), and —subjecting said edible fat (EDF) to shear stress in said processing zone (PZ), wherein the edible fat (EDF) comprises SatOSat-triglycerides in an amount of 20 99% by weight. Also, a method of producing a heat stable chocolate, a seed suspension, a confectionary product, and a seed suspension apparatus is disclosed.