Peanut-buttery

Nut oils have the same problem; they work against the flavors in the dairy fats to muddy each other’s subtleties, resulting in a flat, peanut-buttery taste.

Source: wiktionary

The situation may concern Dad’s favorite fountain pen, or the way you don’t turn the newspaper back after reading the funnies, or some bigger issue; it may concern Mother’s invariable scolding when you leave behind your peanut-buttery knives, bread-crumbs and milk glasses strewn over the table in a cleaned-up kitchen, or leave your bedroom a complete jumble when you rush off for high school.

Source: wiktionary

Also, hikers should avoid wiping peanut-buttery knives on their pants.

Source: wiktionary

I was listening to Ben’s phone message saying he would be coming home on Friday now (had decided to take unpaid leave to visit old schoolmate) and stuffing face with peanut-buttery-toast when drummer Stephen called round on his way to a gig.

Source: wiktionary