add your lye into the water, set aside
melt your tallow in a double boiler
once your lye/water mixture and your tallow are around 100-110*F, add the tallow into the lye/water mixture.
use a stick blender to emulsify the water & fat together, mix until you can see the trail you make with your blender
pour it into your molds
let sit for 24 hours, and then remove the soap from the molds
let cure somewhere kinda dark and undisturbed, for 6-8 weeks