Bring to a boil, stirring until sugar is dissolved.
Let boil for 2-3 minutes.
Remove from heat and add vannilla and nut butter.
Stir until nut butter is incorporated.
Stir in rolled oats.
Drop by the spoonful onto parchment paper or straight onto a cookie sheet (they’ll come off when they’re cool, and you won’t have to “waste” parchment paper!)