The appeal of “making your own” anything often lies in how customizable the DIY version of that thing is, but ease also plays a role. Homemade peanut butter is, by both metrics, very appealing. You take some peanuts, you put them in a food processor (or high-powered blender), and let the blades do their thing. Minutes…
Source: LifeHacker – Make a Superior Peanut Butter With Honey Roasted Peanuts