2 kilos roasted peanuts
1/2 kilo refined sugar
1 kilo cooking oil
combined and pass through a grinder (or blender) a number of times depending on the smoothness you desire. For crunchy peanut butter, set aside some roasted peanuts, crush and mix well with peanut butter.
This is the basic ingredients and instruction. From my own experience, peanut butter taste better if you add a pinch of salt before grinding.